Question

$(9{)}^2$ as a power with base 3 is .

• A. $3^4$
• B. $3^3$
• C. $3^5$
• D. $3^2$

Answer 1

The correct option is A $3^4$

We have $(a^m{)}^n=a^{mn}$

$(9{)}^2$ = $(3^2{)}^2$
= $3^{2\times 2}$
= $3^4$