Question

What is the value of p² + r³ , when p = 2 and r = 3?

Answer 1

The expression we have is:

`p^2+r^3`

And we need to evaluate this expression when

`\begin{gathered} p=2 \\ \text{and} \\ r=3 \end{gathered}`

The first step is to substitute our values into the expression:

`(2)^2+(3)^3`

The next step is to solve the operations.

We have the following for the terms in the expression:

`\begin{gathered} (2)^2=2*2=4 \\ (3)^2=3*3=9 \end{gathered}`

So the expression becomes:

`(2)^2+(3)^3=4+9`

Finally, add 4 and 9 to find the result:

`4+9=13`

Answer: 13