Question

Multiply and simplify: -3ab^3 • (-4a^4b^5)

A) -12a^5b^8
B) -12a^4b^15
C) 12a^5b^8
D) 12a^4b^15

Answer 1

`-3ab^3 * (-4a^4b^5)=\\(-3)(-4)(a^(1+4))(b^(3+5))=\\12a^5b^(8)`