How do you simplify the following and write answers with positive exponents only -3a^2b^-5?

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Apr 26, 2018

$- \frac{3 {a}^{2}}{b} ^ 5$

Explanation:

$\text{using the "color(blue)"law of exponents}$

•color(white)(x)a^-mhArr1/a^m

$\Rightarrow - 3 {a}^{2} {b}^{-} 5$

$= - 3 {a}^{2} \times \frac{1}{b} ^ 5 = - \frac{3 {a}^{2}}{b} ^ 5$