Simplify 3(3)^2

$3 {(3)}^{2}$

Multiply $3$ by ${(3)}^{2}$ by adding the exponents.

Multiply $3$ by ${(3)}^{2}$ .

Raise $3$ to the power of $1$ .

$3^{1} {(3)}^{2}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$3^{1 + 2}$

Add $1$ and $2$ .

$3^{3}$

Raise $3$ to the power of $3$ .

$27$