Explanation Given Information: The provided numbers are 328 + 583 + 726 . 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 328 + 583 + 726 . Round off the each addend to the first digit as shown below: 300 + 600 + 700 Now add them as shown below: 300</

11th Edition

ISBN: 8220103632072

Author: NOBLE

Publisher: Pearson Education (US)

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Chapter 1.2, Problem 1SE

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To calculate: The estimated sum of 328+583+726 by rounding to the first digit and compare it with exact sum.

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Chapter 1.2, Problem 5-4SC

Chapter 1.2, Problem 2SE

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The estimated sum of 328 + 583 + 726 by rounding to the first digit and compare it with exact sum.

Solution Summary: The author calculates the estimated sum of 328+583+726 by rounding to the first digit and comparing it with exact sum.

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To calculate: The estimated sum of 328+583+726 by rounding to the first digit and compare it with exact sum.

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Chapter 1 Solutions