Step-by-step explanation:



Answer: 72/20 = <u>3 3/5</u>
Step-by-step explanation:
..........
Remember that an exponent means repeated multiplication.
The exponent of 4 means you have four
's mutiplied together:

And then each exponent of 2 inside means you have two
's multiplied inside each set of parentheses.:

There are 8 b's there when you expand this out.