Question

-9y^2(-4y^9)

Answer 1

simplify???

Answer 2

no it uses exponents

Answer 3

split this into parts and then combine.
so first work out -9(-4)
then work out \(y^2(y^9)\)
then multiply the two results together.
for exponents remember the rule:\[x^a*x^b=x^{a+b}\]

Answer 4

does this make sense to you?

Answer 5

kinda

Answer 6

I can explain more to you if you want - just let me know which bit troubles you the most

Answer 7

k