Answer:
[tex]10y^7[/tex]
[tex]12g^4h^5[/tex]
Step-by-step explanation:
When you multiply exponents together, it is a rule that you add them together. So,
[tex]2y^4(5y^3) = 10y^{(4 + 3)} = 10y^7[/tex]
[tex]3gh^2(4g^3h^3) = 12g^{(3 + 1)}h^{(2+3)} = 12g^4h^5[/tex]
