(a) Explanation Given Information: The expression − 7.2 × 10 3 6.0 × 10 − 1 . Formula used: Commutative rule: a ⋅ b = b ⋅ a Here, a and b are the real number. Power rule for exponents: ( a m ) n = a m ⋅ n Here, n and m are positive integer. The scientific notation of a number is expressed as, a × 10 n Here 1 ≤ | a | < 10 and n is an integer. Calculation: Consider the expression, − 7.2 × 10 3 6.0 × 10 − 1 Now, use commutative rule and power rule to simplify the given expression (b) To determine To calculate: The standard notation for − 7.2 × 10 3 6.0 × 10 − 1 .

Beginning and Intermediate Algebra (6th Edition)

6th Edition

ISBN: 9780321969163

Author: Margaret L. Lial, John Hornsby, Terry McGinnis

Publisher: PEARSON

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Question

Chapter 4.3, Problem 60E

(a)

To determine

To calculate: The scientific notation for −7.2×1036.0×10−1.

(b)

To determine

To calculate: The standard notation for −7.2×1036.0×10−1.

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Chapter 4.3, Problem 59E

Chapter 4.3, Problem 61E

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The scientific notation for − 7.2 × 10 3 6.0 × 10 − 1 .

Solution Summary: The author explains how to calculate the scientific notation for -7.2times, using commutative rule and power rule.