Which expression is equivalent to 15a^9b^4 over 5a^5b?

assume the denominator does not equal 0.

a. 10a^4b^3
b. 3a^4b^4
c. 10a^4b^4
d. 3a^4b^3

If you would like to solve 15a^9b^4 / 5a^5b, you can calculate this using the following steps:

15a^9b^4 / 5a^5b = 3a^(9-5)b^(4-1) = 3a^4b^3

The correct result would be D. 3a^4b^3.