Question

Teacher didn’t tell us how to do this.

Answer 1

The answer should be 24m^4n^5

Answer 2

`\bf 3m^3n^2(8mn^3)\implies 3\cdot 8m^3m^1n^2n^3\implies 24m^(3+1)n^(2+3)\implies 24m^4n^5`