Question

help

Answer 1

Rule:
\[\LARGE (x^a)^b = x^{a*b}\]

Answer 2

Example
\[\LARGE (x^3)^7 = x^{3*7} = x^{21}\]

Answer 3

You need to use the power rule. This is when an exponent raised to another power.

a basic way to put this is by:
\[\huge (x^a)^b = x^{a \times b}\]

Answer 4

so 15

Answer 5

that's part of it

Answer 6

yes

Answer 7

\[\huge 12^{15}\]

Answer 8

yep