Do the indicated arithmetic and give the answer to the correct number of significant figures. I.   II. 0.71 + 92.2 III. 934 × 0.00435 + 107 IV. (847.89 - 847.73) + 14673

Q: Express each result to the proper number of significant figures  8.13 x 102+8.13 x 103 1.784 x…

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Q: A pure 3.88 kg sample of a solid occupies a volume of 66.0 mL. Calculate its density in g/mL to the…

A: Given that ,  Mass of pure solid = 3.88 kg = 3.88×103 g  [ * 1 kg = 103 g ]  Volume occupied by the…

Q: Underline significant figures 24040 0.04800 4.020 1.08 x 105 0.0022 9000000 2.00 x 10-5 8.60 x 102…

A: The Significant figures are determined by using the rules of significant figures, 1. Non Zero digits…

Q: What is the volume of a sample if the mass is 167.85g and the density is 1.8g/cm^3?

A: Given :-  Mass of sample = 167.85 g  Density = 1.8 g/cm3  To be calculated :  Volume of sample

Q: I. Determine the number of significant figures in the following items. 1. 8.314 g 6. 240 cm 2. 5.008…

A: Given,  5. 25 stirring rods 6. 240 cm  9. 37.00 ml

Q: Calculating the density of a rectangular wooden block (fig 3). In determining the density of a…

A: Density of the substance is equal to the ratio of mass to volume. Formula: Formula of wooden block:

Q: Twelve (12) samples were weighed on a balance, their combined mass is 13.62 g.  With the…

A: Given :-  total samples = 12  combined mass = 13.62 g  To be calculated :-  average mass of each…

Q: (4.123 × 0.12) + 24.2 why is the answer 25 and not 24.7? The last rule to be used is the addition,…

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Q: Perform the following calculation: -0.0060 cm3 + 1.0042 cm3 What is the answer to the calculation…

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Q: Round each to three significant figures. 79934.02 1.561832×107 2.31827183 0.000045339

A: The question seems to have some information lacking but then again the solution for the following…

Q: 2. Perform the following calculations and report the answers with appropriate units and the correct…

A: Since you have posted multiple questions as per the policy we can not answer more than one per…

Q: 1. Round the following numbers to the number of significant figures indicated: a) 345 (2 s.f.) _350…

A: " Since you have posted multiple questions with multiple subparts we will solve first 3 subparts for…

Q: How do I include units into my slope intercept Units - g mL 1. Y=1.2534x+0.0250 Answer- Y=1.2534x (…

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Q: 0.000 012 56 L Express your answer using three significant figures. L Submit Request Answer Part B…

A: Given: 0.00001256 L it has 9 significant figures it can be written as  1.25 x 10-5 L has only 3…

Q: B.2 Perform the following addition and subtraction calculations. Give a final answer with the…

A: The calculation done by taking the sum of two numbers is referred to as addition and the difference…

Q: 562+7.1-50.003 Express your answer to the appropriate number of significant figures.

A: Calculate 562+7.1-50.003 Express your answer to the appropriate number of significant figures?

Q: What is the standard practice for significant digits when recording test data? Why are significant…

A: 1. Most standards for science and technology, led by ASTM E29, use the “five-even” rule. Under this…

Q: When you are doing addition and subtraction, my chemistry text tells me to round to the least number…

A: Rule: Properly examine the decimal portion only. Find the number with the minimum number of digits…

Q: Round to the correct amount of Significant figures (218.6-218.59)+0.03

A: To determine the number of  significant figures in a number we have to follow the following rules…

Q: (5.985 mmmm )(7.3 mmmm ) Complete the operation and express the answer with the appropriate number…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: Perform the following calculation and input the answer expressed to the correct number of…

A: Perform the following calculation and input the answer expressed to the correct number of…

Q: Do the following calculations to the correct number of significant figures: a.) 89.3 x 77.0 x 0.08…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Mass (g) Height (cm) Diameter (cm) Cylinder A 15.560 5.11 1.20 Cylinder B 35.536 5.90 1.30 In…

A: Volume can be calculated using the following equation.

Q: [(284.1 x 105) - (1.300 × 10³)] × 2.8988 Express your answer to the appropriate number of…

A: The equation given is, => [(284.1 X 105 ) - (1.300 X 103)] X 2.8988

Q: Please show work  step by step B.1  Multiplication and Division Perform the following…

A: Addition (or) Subtraction :   the answer must be Same number of decimal places   as There is in…

Q: A pycnometer is a glass flask with a tight fitting glass stopper that is used to obtain the volume…

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Q: Bernard weighs a jar of pennies to find out how much they are worth. After subtracting the weight of…

A: Given: Total mass of pennies = 12.33 +/- 0.09 kg Weight of each penny = 2.5 g

Q: 4. Show the answers with appropriate number of significant figures. 39.9 а. 6.022 x1023 b. 0.0021 g…

A: In case of multiplication or division, the least number of significant figures in any number…

Q: Part 3: Calculate density of a metal an unknown metal. 1. Using the pictures below, record the…

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Q: The mass unit associated with density is usually grams. If the volume (in mL or cm) is multiplied by…

A: Volume and density of marshmallow are given whose mass is to be determined in grams.

Q: 11.004g + 3.08g x 112.96g= I don't understand how to start this problem when there is not…

A: The dimensional analysis does not allow physical quantities with different units to be added or…

Q: What is meàn Tt mses fo measire fle dersity A rectangular solid measures 2.55 cm by 1.20 cm by 4.15…

A: We’ll  answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Express each result to the proper number of significant figures  0.00071+0.002+0.00008 0.9827-0.06…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: The density of a pure substance is its mass per unit volume. The density of ethylene glycol has been…

A: given density = 1097 g/L volume = 205 ml

Q: Calculate 5.1234 + 0.033 ÷ 1.650 and report to the correct number of significant figures.   a.…

A: 5.1234  has 5 significant digits. 0.033 has 2 significant digits.…

Q: The answer to the calculation below with the correct number of significant figures is A) 2370000…

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Q: Answering to the correct number of significant figures, what is 5.80 x 120? A) 696 B) 700 C) 7.0 x…

A: The given equation is, 5.80 × 120 = 696

Q: How many in3 are there in (7.70x10^2) cm3? Given: 1 inch is exactly 2.54 cm.

A: Interpretation: Conversion of given number from cubic centimetre to cubic inch is to be calculated.…

Q: Question 1: Determine whether the answer to each calculation has the correct number of significant…

A: (1)

Q: Perform the following calculations to the correct number significant figures. (23.4813 x 2.52) +…

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Q: Be sure to report answers with the correct number of significant figures.   Length:3.55 cm…

A: Given :  Volume of aluminum foil (cm3):0.124 cm3  Length of aluminium foil = 3.55 cm  Width of…

Q: 1. Why are the calibration marks on laboratory beakers taken only to be an approximate guide to…

A: Calibration marks on the laboratory beakers and the volumetric flasks are present to accurately…

Q: erform the calculation to the correct number of significant figures.  (8.111-7.50)/3.002…

A: (8.111 - 7.50) = 0.611

Q: The specific gravity of iron is 7.87, and the density of water at 4.00 ∘C∘C is 1.00 g/cm3g/cm3. You…

A: Specific gravity of substance = Density of substance Density of reference substanceHere ,Substance ⇒…

Q: 1) convert 0.66 ibs to grams. 2)convert 0.00534 in cubed to cubic decimeter. 3) convert 2.7 g/cm^3…

A: 1.Conversion of 0.66lb to grams.

Q: Determine the number of significant figures. 1. 3.4 / 0.025356 + 236.00 - 76.357  2. 5.6786 +…

A: Significant figures are the figures that are necessary to indicate quantity of something.

Q: 2-Perform the following calculation and report the result to the correct number of significant…

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Q: 1222.5+6.24+3.88 Express your answer to the appropriate number of significant figures.

A: There is an addition of 3 numbers.

Q: Consider the operation below. (0.523) (1.2161 -0.99) + (2.648) (84 - 81.98) 0.87 How many…

A: The given operation has both addition/subtraction and multiplication/division. In…

Q: percentage of matter

A:

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.