1.Here is a scale drawing of a swimming pool where 1 cm represents 1 m. a. How long and how wide is the actual swimming pool?

Set square i think so

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.