Question

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

Answer 1

`y^7`

Step-by-step explanation

Given;

`(1)/(y^(-3)).y^4`

Solve for;

`(1)/(y^(-3))=y^3`

Now,

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