Explanation Given Information: The provided expression 89 − 52 . Formula used: Steps to subtract whole numbers: Step 1: Round off the minuend and subtrahend to the first digit and then subtract them to estimate the difference. Step 2: Calculate the exact difference. Step 3: Now compare the obtained estimated difference with exact difference and identify whether the exact difference is reasonable. Step 4: Add the difference and subtrahend to check the exact difference. The minuend and sum should be equal. Calculation: Consider the provided numbers 89 − 52 . The minuend is 89 and subtrahend is 52

11th Edition

ISBN: 9780134496436

Author: Cheryl Cleaves, Margie Hobbs, Jeffrey Noble

Publisher: PEARSON

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Chapter 1.2, Problem 5SE

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To calculate: The estimated subtraction of 89−52 by rounding to the first digit and compare it with exact differences.

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Chapter 1.2, Problem 4SE

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The estimated subtraction of 89 − 52 by rounding to the first digit and compare it with exact differences.

Solution Summary: The author explains how to calculate the estimated subtraction of cc& 89 -& 52end

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Chapter 1 Solutions