Cathy earns $32 after babysitting for 5 hours. how much money does she earn per hour?

- $6.40
- $6.00
- $12
- $27

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.