Prime Factors of the Denominator of a Rational Number With the Decimal Expansion 44.123 Are

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

(c) 2,5

Explanation:

44.123 = `frac{44123}{1000}`

Now, Prime factors of denominators

= `10^{3}`

= `("2 x 5")^{2}`

= ∴ Prime factors are = 2,5

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CBSE Class 10 Mathematics Sample Paper-2022