Explanation Given Information: The provided numbers are 9823 + 7516 + 8205 . 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 9823 + 7516 + 8205 . Round off the each addend to the first digit as shown below: 10000 + 8000 + 8000 N

11th Edition

ISBN: 9780134496436

Author: Cheryl Cleaves, Margie Hobbs, Jeffrey Noble

Publisher: PEARSON

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Chapter 1.2, Problem 1-2SC

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To calculate: The estimated sum of $9823+7516+8205$ by rounding to the first digit and compare it with exact sum.

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Chapter 1.2, Problem 1-1SC

Chapter 1.2, Problem 1-3SC

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The estimated sum of 9823 + 7516 + 8205 by rounding to the first digit and compare it with exact sum.

Solution Summary: The author calculates the estimated sum of 9823+7516+8205 by rounding to the first digit and comparing it with exact sum.

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To calculate: The estimated sum of $9823+7516+8205$ by rounding to the first digit and compare it with exact sum.

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Chapter 1 Solutions

The estimated sum of 9823 + 7516 + 8205 by rounding to the first digit and compare it with exact sum.

Solution Summary: The author calculates the estimated sum of 9823+7516+8205 by rounding to the first digit and comparing it with exact sum.

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To calculate: The estimated sum of 9823+7516+8205<m:math><m:mrow><m:mn>9823</m:mn><m:mo>+</m:mo><m:mn>7516</m:mn><m:mo>+</m:mo><m:mn>8205</m:mn></m:mrow></m:math> by rounding to the first digit and compare it with exact sum.

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Chapter 1 Solutions

To calculate: The estimated sum of $9823+7516+8205$ by rounding to the first digit and compare it with exact sum.