(2 x 10^2) x (5 x 4^3)

(2 X 100) X (5 X 64)
(200) X (320)
= 64000

=(2x100)x(5x64)
=(200)x(320)
=(64000)

Thank you I have another problem (2*5)^3

What is first 2*5?

Then, raise that to the power of 3.

To the other posters: It is against the RULES to do the homework/assignment of other members. Bear that in mind.