Prime factors of the denominator of a rational number with the decimal expansion 44.123 are
(a) 2,3 (b) 2, 3, 5 (c) 2, 5 (d) 3, 5
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Last updated at Sept. 6, 2021 by Teachoo
Transcript
Question 8 Prime factors of the denominator of a rational number with the decimal expansion 44.123 are (a) 2,3 (b) 2, 3, 5 (c) 2, 5 (d) 3, 5 Now, 44.123 = 44123/1000 Now, Prime factors of denominator = Prime factors of 1000 = 103 = (2 × 5)3 ∴ Prime factors are 2, 5 So, the correct answer is (c)
CBSE Class 10 Sample Paper for 2022 Boards - Maths Standard [MCQ]
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CBSE Class 10 Sample Paper for 2022 Boards - Maths Standard [MCQ]
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