Question

if the expression 7^15 was simplified using the power rule of exponents which of the following would be an expanded expanded equivalent
expression
(7.7.7.7.7)
(7^10)^5
(7^10)^5
(7^18)^3
(7.7.7)(7.7.7)(7.7.7)(7.7.7)(7.7.7)

Answer 1

The correct answer would be (7^10)^5.