Question

How would you write this expression using a single positive exponent?

Answer 1

ANSWER

$y^7$

EXPLANATION

Given;

$\frac{1}{y^{-3}}.y^4$

Solve for;

$\frac{1}{y^{-3}}=y^3$

Now,

$\begin{gathered} \frac{y^4}{y^{-3}} \\ =y^{4-(-3)} \\ =y^{4+3} \\ =y^7 \end{gathered}$