Explanation Given Information: The addition of the numbers: 863 + 983 + 271 Formula used: Round each addend to the hundreds and add the rounded addends to calculate the estimated sum. The exact sum is determined by addition of the exact numbers. The procedure used to round a whole number to a specified period is: 1: Identify the digit in the specified period. 2: Find the next digit to the right of the specified period. If this next digit is smaller than 5 , replace the digit and all the digits with zeros to the right. If this next digit is 5 or greater, then the digit in the specified period is added with 1 and all the digits to the right are replaced with zeros. Calculation: Consider the provided addition. 863 + 983 + 271 First, round each addend to hundreds. So, 863 → 900 983 → 1000

11th Edition

ISBN: 8220103633802

Author: NOBLE

Publisher: RENT PEARS

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Chapter 1, Problem 9PT

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To calculate: The estimated sum of the numbers by rounding each number to the hundreds and then calculate the exact sum of the numbers: 863+983+271.

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Chapter 1, Problem 8PT

Chapter 1, Problem 10PT

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The estimated sum of the numbers by rounding each number to the hundreds and then calculate the exact sum of the numbers: 863 + 983 + 271 .

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To calculate: The estimated sum of the numbers by rounding each number to the hundreds and then calculate the exact sum of the numbers: 863+983+271.

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Chapter 1 Solutions