Acard is picked at random from a standard deck of 52 playing cards, what are the odds of picking a 10

4 out of 52
Or
2 our of 27

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.