There are 28 students in a class. Two of the students are named Emily. What is the approximate probability that either Emily is chosen at random?
А
2%
B
3.6%
С
D
28%

Look i don’t know the answer to this but someone else will so just wait a little bit longer

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.