Explanation Given Information: The provided numbers are $ 618 + $ 736 + $ 107 . Formula used: Steps to add whole numbers: Step 1: Round off the each addends to the first digit and then add them to estimate the sum. Step 2: Calculate the exact sum. Step 3: Now compare the obtained estimated sum with exact sum and identify whether the exact sum is reasonable. Step 4: Again add the number second time to check the exact sum. Calculation: Consider the provided numbers $ 618 + $ 736 + $ 107 . Round off the each addend to the first digit as shown below: $ 600 + $ 700 + $ 100 Now add them as shown below: &

11th Edition

ISBN: 9780134496436

Author: Cheryl Cleaves, Margie Hobbs, Jeffrey Noble

Publisher: PEARSON

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Chapter 1.2, Problem 1-3SC

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To calculate: The estimated sum of $618+$736+$107 by rounding to the first digit and compare it with exact sum.

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Chapter 1.2, Problem 1-2SC

Chapter 1.2, Problem 1-4SC

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The estimated sum of $ 618 + $ 736 + $ 107 by rounding to the first digit and compare it with exact sum.

Solution Summary: The author explains how to calculate the estimated sum of 618+736+ 107 by rounding to the first digit and comparing it with exact sum.

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To calculate: The estimated sum of $618+$736+$107 by rounding to the first digit and compare it with exact sum.

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Chapter 1 Solutions