If the given expression is raised to the power of 12, which expression is NOT equivalent?



A: 3^16


B: 3^48


C: (3^12)^4


D. (3^6)^8


If the given expression is multiplied by 3^6, which expression is NOT equivalent?

A: 3^10
B: 9^10
C: (3^5) (3^5)
D: (3^2) (3^8)