Explanation Given Information: The provided numbers are $ 1 , 809 + $ 3 , 521 . 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 $ 1 , 809 + $ 3 , 521 . Round off the each addend to the first digit as shown below: $ 2 , 000 + $ 4 , 000 Now add them as shown below: $ 2 , 000 + $

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Publisher: PEARSON

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Chapter 1.2, Problem 1-4SC

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To calculate: The estimated sum of $1,809+$3,521 by rounding to the first digit and compare it with exact sum.

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Chapter 1.2, Problem 1-3SC

Chapter 1.2, Problem 1-5SC

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Business Math

Ch. 1.1 - Prob. 1-1SC Ch. 1.1 - Prob. 1-2SC Ch. 1.1 - Prob. 1-3SC Ch. 1.1 - Prob. 1-4SC Ch. 1.1 - Prob. 2-1SC Ch. 1.1 - Prob. 2-2SC Ch. 1.1 - Prob. 2-3SC Ch. 1.1 - Prob. 2-4SC Ch. 1.1 - Prob. 3-1SC Ch. 1.1 - Prob. 3-2SC

Ch. 1.1 - Prob. 3-3SC Ch. 1.1 - Prob. 3-4SC Ch. 1.1 - Prob. 3-5SC Ch. 1.1 - Prob. 3-6SC Ch. 1.1 - Prob. 4-1SC Ch. 1.1 - Prob. 4-2SC Ch. 1.1 - Prob. 4-3SC Ch. 1.1 - Prob. 4-4SC Ch. 1.1 - Prob. 1SE Ch. 1.1 - Prob. 2SE Ch. 1.1 - Prob. 3SE Ch. 1.1 - Prob. 4SE Ch. 1.1 - Prob. 5SE Ch. 1.1 - Prob. 6SE Ch. 1.1 - Prob. 7SE Ch. 1.1 - Prob. 8SE Ch. 1.1 - Prob. 9SE Ch. 1.1 - Prob. 10SE Ch. 1.1 - Prob. 11SE Ch. 1.1 - Prob. 12SE Ch. 1.1 - Prob. 13SE Ch. 1.1 - Prob. 14SE Ch. 1.1 - Prob. 15SE Ch. 1.1 - Prob. 16SE Ch. 1.1 - Prob. 17SE Ch. 1.1 - Prob. 18SE Ch. 1.1 - Prob. 19SE Ch. 1.1 - Prob. 20SE Ch. 1.1 - Prob. 21SE Ch. 1.1 - Prob. 22SE Ch. 1.1 - Prob. 23SE Ch. 1.1 - Prob. 24SE Ch. 1.1 - Prob. 25SE Ch. 1.1 - Prob. 26SE Ch. 1.2 - Prob. 1-1SC Ch. 1.2 - Prob. 1-2SC Ch. 1.2 - Prob. 1-3SC Ch. 1.2 - Prob. 1-4SC Ch. 1.2 - Prob. 1-5SC Ch. 1.2 - Prob. 1-6SC Ch. 1.2 - Prob. 1-7SC Ch. 1.2 - Prob. 1-8SC Ch. 1.2 - Prob. 1-9SC Ch. 1.2 - Prob. 1-10SC Ch. 1.2 - Prob. 1-11SC Ch. 1.2 - Prob. 1-12SC Ch. 1.2 - Prob. 2-1SC Ch. 1.2 - Prob. 2-2SC Ch. 1.2 - Prob. 2-3SC Ch. 1.2 - Prob. 2-4SC Ch. 1.2 - Prob. 2-5SC Ch. 1.2 - Prob. 2-6SC Ch. 1.2 - Prob. 3-1SC Ch. 1.2 - Prob. 3-2SC Ch. 1.2 - Prob. 3-3SC Ch. 1.2 - Prob. 3-4SC Ch. 1.2 - Prob. 3-5SC Ch. 1.2 - Prob. 3-6SC Ch. 1.2 - Prob. 3-7SC Ch. 1.2 - Prob. 3-8SC Ch. 1.2 - Prob. 3-9SC Ch. 1.2 - Prob. 3-10SC Ch. 1.2 - Prob. 4-1SC Ch. 1.2 - Prob. 4-2SC Ch. 1.2 - Prob. 4-3SC Ch. 1.2 - Prob. 4-4SC Ch. 1.2 - Prob. 4-5SC Ch. 1.2 - Prob. 4-6SC Ch. 1.2 - Prob. 4-7SC Ch. 1.2 - Prob. 4-8SC Ch. 1.2 - Prob. 4-9SC Ch. 1.2 - Prob. 4-10SC Ch. 1.2 - Prob. 5-1SC Ch. 1.2 - Prob. 5-2SC Ch. 1.2 - Prob. 5-3SC Ch. 1.2 - Prob. 5-4SC Ch. 1.2 - Prob. 1SE Ch. 1.2 - Prob. 2SE Ch. 1.2 - Prob. 3SE Ch. 1.2 - Prob. 4SE Ch. 1.2 - Prob. 5SE Ch. 1.2 - Prob. 6SE Ch. 1.2 - Prob. 7SE Ch. 1.2 - Prob. 8SE Ch. 1.2 - Prob. 9SE Ch. 1.2 - Prob. 10SE Ch. 1.2 - Prob. 11SE Ch. 1.2 - Prob. 12SE Ch. 1.2 - Prob. 13SE Ch. 1.2 - Prob. 14SE Ch. 1.2 - Prob. 15SE Ch. 1.2 - Prob. 16SE Ch. 1.2 - Prob. 17SE Ch. 1.2 - Prob. 18SE Ch. 1.2 - Prob. 19SE Ch. 1.2 - Prob. 20SE Ch. 1.2 - Prob. 21SE Ch. 1.2 - Prob. 22SE Ch. 1.2 - Prob. 23SE Ch. 1.2 - Prob. 24SE Ch. 1.2 - Prob. 25SE Ch. 1.2 - Prob. 26SE Ch. 1.2 - Prob. 27SE Ch. 1.2 - Prob. 28SE Ch. 1.2 - Prob. 29SE Ch. 1.2 - Prob. 30SE Ch. 1.2 - Prob. 31SE Ch. 1.2 - Prob. 32SE Ch. 1.2 - Prob. 33SE Ch. 1.2 - Prob. 34SE Ch. 1.2 - Prob. 35SE Ch. 1.2 - Prob. 36SE Ch. 1.2 - Prob. 37SE Ch. 1.2 - Prob. 38SE Ch. 1.2 - Prob. 39SE Ch. 1.2 - Prob. 40SE Ch. 1.2 - Prob. 41SE Ch. 1.2 - Prob. 42SE Ch. 1.2 - Prob. 43SE Ch. 1.2 - Prob. 44SE Ch. 1.2 - Prob. 45SE Ch. 1.2 - Prob. 46SE Ch. 1.2 - Prob. 47SE Ch. 1.2 - Prob. 48SE Ch. 1.2 - Prob. 49SE Ch. 1.2 - Prob. 50SE Ch. 1.2 - Prob. 51SE Ch. 1.2 - Prob. 52SE Ch. 1.2 - Prob. 53SE Ch. 1.2 - Prob. 54SE Ch. 1.2 - Prob. 55SE Ch. 1.2 - Prob. 56SE Ch. 1 - Prob. 1ES Ch. 1 - Prob. 2ES Ch. 1 - Prob. 3ES Ch. 1 - Prob. 4ES Ch. 1 - Prob. 5ES Ch. 1 - Prob. 6ES Ch. 1 - Prob. 7ES Ch. 1 - Prob. 8ES Ch. 1 - Prob. 9ES Ch. 1 - Prob. 10ES Ch. 1 - Prob. 11ES Ch. 1 - Prob. 12ES Ch. 1 - 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The estimated sum of $ 1 , 809 + $ 3 , 521 by rounding to the first digit and compare it with exact sum.

Solution Summary: The author calculates the estimated sum of 1,809+3,521 by rounding to the first digit and comparing it with exact sum.

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To calculate: The estimated sum of $1,809+$3,521 by rounding to the first digit and compare it with exact sum.

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Chapter 1 Solutions