What's the probability that out of 120 calls there are no wrong numbers , wrong number probability is 0.02

Look at attachment. has all info needed. need

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

How do you write 600 as a product of its prime factors (index! )