Question

Simplify. Assume that no denominator is equal to zero.(a5b5)(a464)оаa20520Oba2009осab20OdabºОeDon't know

Answer 1

I'll start

a)

$(a^5b^5)(a^4b^4)=a^{5+4}b^{5+4}=a^9b^9$

For the first one the answer is letter d.

b)

$\text{ (3g}^3h^4)^4=3^4g^{3x4}h^{4x4}=81g^{12}h^{16}$

For the second question the answer is letter b.