Math
posted by Amanda .
Simplify each expression. Write answers using positive exponents.
a. (7x^2y^3)(2xy)
b. (a^2b^3)^1(a^2b^3)
c.(4m^3)^2

I will be happy to check your work.

c. 16m^6

a. 14x^3y^4 ??

a. correct
c. oops: (4)^2 = +16