In a poll, students were asked to choose which of six colors was their favorite. the circle graph shows how the students answered. if
5000
students participated in the poll, how many chose orange?
orange-21%

 you get 5000 and divide 21and it equals 238 people

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.