This is mathematics can someone help me please the topic is indices

1.12589991*10^25
Step-by-step explanation:
did it on a calculator
if I'm wrong sorry
Answer:
256^25
Step-by-step explanation:
so first due to the laws of indices (a^2)^m
=4^3 = 64
5x3= 15
4^10
= 64^15 x 4^10
=256^25