Question

Parentheses five to the eighth power times five to the -3 power in parentheses times to the fourth power equals what?

Answer 1

(5^8 · 5^{-3})^4 = (5^{8 + (-3)})^4 = (5^5)^4 = 5^{5·4} = 5^{20} = 95,367,431,640,625.