you and your friend enter a drawing with 4 different prizes. The prizes are awarded randomly. A total of 13 people enter the drawing. In how many ways can you win first prize and your friend win second prize

The year before the 10s so it was like when caveman were alive

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.