A certain bowler can bowl a strike 90% of the time. What is the probability that she a) goes 2 consecutive frames without a strike? b) makes her first strike in the frame? c) has at least one strike in the first frames? d) bowls a perfect game (12 consecutive strikes)

Dbecause there are negatives surrounding ding it

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.