Question

b^5 • b^4.

Answer 1

\[b^5*b^4\]

Answer 2

when multiplying with the same base it stays the same! and when multiplying exponents u add them...so 5+4=?

Answer 3

oh ok \[b^9\]

Answer 4

:D good!

Answer 5

The rule states:
a^2 + a^3 = a^2+3

Answer 6

Sorry Multiplication

Answer 7

I think it makes sense if you write it out too:
b^5 = b*b*b*b*b
b^4 = b*b*b*b

b^5 * b^4 = (b*b*b*b*b)*(b*b*b*b)
= b*b*b*b*b*b*b*b*b
= b^9 (9 b's multiplied together)