How many proper fractions in lowest terms have a denominator that is one of the counting numbers from 1 to 9?
How many proper fractions in lowest terms have a denominator that is one of the counting numbers from 1 to 9?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.3: Geometric Sequences
Problem 57E
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Question
How many proper fractions in lowest terms have a denominator that is one of the counting numbers from 1 to 9?
a. 21
b. 27
c. 16
d. 9
e. 5
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