Answer:
A. 6²¹
Step-by-step explanation:
When you have a number raised to the power in that form, you have to multiply the powers:
(6⁷)³
7×3 = 21
(6⁷)³ = 6²¹
A. 6 raise to 21
its a formula if:
a raise to m whole raise to n = a raise to m×n
so here
6 raise to 7 × 3
that is 6 to the power of 21
