In order to simplify the given expression, it might be helpful to review the General Properties of Exponents, Rules for Order of Operations,and Summary of the Rules for Exponents.

Next, simplify the answer from the previous step,${\displaystyle -2\left(\frac{1}{3}\frac{1}{a^3}{b}^2\right)}$. Enter the answer in the box provided below.

$-2\left(\right)$

${\displaystyle -2\left(\frac{1}{3}\frac{1}{a^3}{b}^2\right)}$