Question

Simplify. (4a2b)(-2a3b4c2)

Answer 1

Simple,

just simplify your problem....

$4a^{2} * -2a^{3} = -8a^{5} (remember "multiplying" exponents adds them)$

$b* b^{4} = b^{5}$

which just leaves you $c^{2}$ itself...now add them up....

Making your answer... $-8a^{5} b^{5} c^{2}$