Answer:
B) 36x^13*y^7
Step-by-step explanation:
The two rules of exponents that apply are ...
- (a^b)^c = a^(b·c)
- (a^b)(a^c) = a^(b+c)
Expanding the second factor gives ...
(4x^3*y^5)(3^2*x^(5*2)*y^2)
= 36*x^(3+10)*y^(5+2)
= 36x^13*y^7 . . . . . . matches selection B
