Value of (256)0.16 × (256)0.09 is :
(A) 4
(B) 16
(C) 64
(D) 256.25
Answer. [A]
Solution. We have,
(256)0.16 × (256)0.09 [ am × an = am+n]
= (256)0.16 + 0.09
= (256)0.25
=
=
Now 256 = 28 = (22)4 = 44
= (44)1/4 [ (am)n = amn]
= 4
Hence option A is correct.