Addy is doing a science fair project. she wants to find out what type of ball bounces the highest. which one of these will help addy to gather statistical data? A) measuring and recording the height of each ball after it is dropped.

B) dropping the balls at the same time and looking to see which bounced the highest.

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.