multiplying monomials?

0 ⤊

simplify
(-3j^7k^5)(-8jk^8)

show work please!

2007-02-26 22:57:21 · 2 answers · asked by Anonymous in Education & Reference ➔ Homework Help

-3j^7 * k^5 * -8jk^8
=-3 * -8 * j^7 * j * k^5 * k^8
=24 * j^8 * k^13
=24j^8k^13

2007-02-26 23:58:15 · answer #1 · answered by You-Know-Who 2 · 0⤊ 0⤋

-3 x-8=24

j^7+j=j^8
k^5+k^8=k^13 whenever you multiply here , add exponents

(-3j^7k^5)(-8jk^8)= 24j^8k^13

2007-02-27 09:26:44 · answer #2 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋