Question

(625)0.16 x (625)0.09 = ?
(a) 5
(b) 25
(c) 125
(d) 625.25​

Answer 1

Hi,

(625) × 0.16 + 0.09    [a^m x a^n=a^m+n]

= (625) × 0.25

= (625) × $\frac{1}{4}$

= fourth root of 625

∴ Answer : 5

Answer 2

Answer:

I think the answer is (d)625.25