What is 22.5% right now as a fraction in simplest form

9/40

22.5=22.5/100=225/1000

Find the largest number that can divide into 225 and 1000 - it's 25

Divide by that number (25)
225/25=9
1000/25=40

Your answer is 9/40 because nothing goes into not 9 and 40 evenly.

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.