Use a Calculator to Work out Powers

This activity is about working out powers using a calculator.

Example

Using the x^y key or the ^ key on your calculator, work out the following powers.

21³ = ?

Method

We type in 21 x^y 3 =

or 21 ^ 3 =

Answer

9,261

Using a calculator for calculations makes things much faster, but make sure that you use the correct buttons!

if you find that you are getting the wrong answers, it's worth checking that your calculator is in the correct mode. Press the mode button to change into a different mode and then try the calculation again.