Exponent properties

Consider the numerical expression: 3^4
If the given expression is raised to the power of 12, which expression is NOT equivalent?
3^16
3^48
(3^12)^4
(3^6)^8

The expression that is NOT equivalent to (3^4)^12 is 3^48.

If the given expression is multiplied by 3^63^8)

, which expression is NOT equivalent?
3^10
9^10
(3^5)(3^5)
(3^2) (3^8)

(3^2)(3^8) is NOT equivalent when multiplied by 3^63^8.