a) Explain how to write 3.7 and 1.29 as improper fractions whose denominators are products of 10s. b) Then use fraction multiplication to explain where to place the decimal point in the solution to 3.7 × 1.29. c) Show how to use the products of 10s in the denominators to explain why we add the number of digits behind the decimal points in 3.7 and 1.29.
a) Explain how to write 3.7 and 1.29 as improper fractions whose denominators are products of 10s. b) Then use fraction multiplication to explain where to place the decimal point in the solution to 3.7 × 1.29. c) Show how to use the products of 10s in the denominators to explain why we add the number of digits behind the decimal points in 3.7 and 1.29.
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter10: Rounding Decimal Fractions And Equivalent Decimal And Common Fractions
Section: Chapter Questions
Problem 17A
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a) Explain how to write 3.7 and 1.29 as improper fractions whose denominators are products of 10s.
b) Then use fraction multiplication to explain where to place the decimal point in the solution to 3.7 × 1.29.
c) Show how to use the products of 10s in the denominators to explain why we add the number of digits behind the decimal points in 3.7 and 1.29.
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