This activity is about working out powers using a calculator.
Using the xy key or the ^ key on your calculator, work out the following powers.
213 = ?
We type in 21 xy 3 =
or 21 ^ 3 =
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.