Answer
The expression is $(t+3)^{\frac{6}{5}}$
Work Step by Step
To solve
= $(t+3)^{\frac{4}{5}}$$(t+3)^{\frac{2}{5}}$ --> Since they have the same base, we can add the exponents.
= $(t+3)^{\frac{4}{5}+\frac{2}{5}}$
= $(t+3)^{\frac{6}{5}}$