Explanation Given Information: The multiplication of: 892 × 46 Formula used: The procedure used to multiply two whole numbers is: 1: Find the estimated product of the rounded numbers with each number rounded to its first digit. 2: Use the calculator to calculate the exact product of the numbers. 3: Compare the estimated and exact product to determine if the exact product is reasonable. 4: Multiply the numbers manually to verify the product. Calculation: Consider the multiplication of, 892 × 46 . Now, round each number to its first digit. 892 → 900 × 46 _ → × 50 _ So, the estimated product is calculated as, 900 × 50 _ 45 , 000 Thus, the estimated product is obtained as 45 , 000 . Now, find the exact product of the numbers, 892 × 46 Start with the ones place, multiply the ones place of the multiplier with all the digits of the multiplicand and write the first partial product 892 × 6 = 5 , 352 below the multiplier, 2 in 5 , 532 is aligned with 6 in 46

11th Edition

ISBN: 8220103632072

Author: NOBLE

Publisher: Pearson Education (US)

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Chapter 1, Problem 15PT

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To calculate: The estimated product rounding each number to the first digit and then find the exact product of 892×46.

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Chapter 1, Problem 14PT

Chapter 1, Problem 16PT

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The estimated product rounding each number to the first digit and then find the exact product of 892 × 46 .

Solution Summary: The author calculates the estimated product of 892times 46 by rounding each number to its first digit and then finding the exact product.

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To calculate: The estimated product rounding each number to the first digit and then find the exact product of 892×46.

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Chapter 1 Solutions