(a)- How many significant figures are in each of the following numbers? 405.0 0.0789 2.040 360 (b)- Express each of the following with three significant figures. 0.002537 12345000 0.7966 620.2 (c)- Perform the following operations: (Show Units and correct SF) 4.5x10³ cm + 1.6x10² cm =.. (1.5x10³ mole) [(6.022x1023 molecules) / 1 mole] = 1.80x10 g / 2.00x10³ mL = 3.00x10¹⁰
(a)- How many significant figures are in each of the following numbers? 405.0 0.0789 2.040 360 (b)- Express each of the following with three significant figures. 0.002537 12345000 0.7966 620.2 (c)- Perform the following operations: (Show Units and correct SF) 4.5x10³ cm + 1.6x10² cm =.. (1.5x10³ mole) [(6.022x1023 molecules) / 1 mole] = 1.80x10 g / 2.00x10³ mL = 3.00x10¹⁰
Chemistry for Today: General, Organic, and Biochemistry
9th Edition
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Chapter1: Matter, Measurements, And Calculations
Section: Chapter Questions
Problem 1.75E: Do the following calculations and use the correct number of significant figures in your answers....
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