Question

324= _____________

(a) 2×2×9×9

(b) 2^2×3^4

(c) 4×3×27

(d) 12×27

I have been asked this question in an interview for job.

My question is based upon Square Root topic in chapter Squares and Square Roots of Mathematics – Class 8

Answer 1

Right option is (b) 2^2×3^4

Easiest explanation: Prime factors are the multiplication of all the prime numbers in order to receive the desired number at the end. The prime factors of 324 are 2×2×3×3×3×3 (i.e.2^2×3^4). Therefore the answer would be 2×2×3×3×3×3 (i.e.2^2×3^4).