What does it mean if u have a number in front of a square root?

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Write an expression that represent sarah’s total pay last week.represent her hourly wage with w monday 5 tuesday 3 wednesday 0 noah hours wednesday 8 only with w wage did noah and sarah earn the same amount last week?

The answer is 7.2 how would you put this as money