5a (-3b) (-2a^2b^3)

what is the answer to this question?

(3•5•2a3b4)

Step-by-step explanation:

Step by step solution:

Step 1:

Equation at the end of step 1:

-15ab • (0 - (2a2 • b3))

Step 2:

Multiplying exponential expressions:

2.1 a1 multiplied by a2 = a (1 + 2) = a3

Multiplying exponential expressions:

2.2 b1 multiplied by b3 = b (1 + 3) = b4