# Chapter 10 - Section 10.2 - Integrated Review - Operations on Polynomials: 24

$12a^{3}b^{4}$

#### Work Step by Step

$(-4a^{2}b^{3})(-3ab)$ $=[(-4)\times(-3)](a^{2}\times a)(b^{3}\times b)$ $=(12)(a^{3})(b^{4})$ $=12a^{3}b^{4}$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.