You will need to understand how to work with exponents for the GED math test. Exponents look like this:
In the number above, the three is the exponent. It is smaller than a regular number and floats to the upper right side of the number it modifies.
The way you would say 9³ is “nine to the power of three” or “nine to the third power.” You could also say “nine cubed,” since cubed is the special way to refer to the exponent of three. The exponent 2 also has a special way to refer to it: squared. 9² is nine to the power of two or nine squared. However all the other exponents are simply “to the power of (whatever exponent)”.
What is the value of 9³? The way to find the value of a number with an exponent is to multiply a number by itself the number of times of its exponent. So 9³ is 9 times itself (9) three times, since three is the exponent.
9 x 9 x 9
9³ = 729
Let’s do one more example.
Four to the power of six.
4 x 4 x 4 x 4 x 4 x 4
Four to the sixth power = 4096
If you are on the part of the test where you have access to a calculator, you can just use the exponent button. For example, if you need to find
just push 4 then the exponent button