Question

which expression is equivalent to 16x^15
a) (4x^9)^2 times x^3
b) 2x^5 times 8x^3
c) 2x^5 times (2x)^3
d) (2x^3)^5

Answer 1

ok

Answer 2

i know its definitely not b

Answer 3

In order to do this one you need to understand how expressions with powers multiply together

Answer 4

ok

Answer 5

2^5 is not 16, which is why I don't think it's D

Answer 6

When you multiply exponents you add the exponents together

Answer 7

Here are the rules: