Which equation can be used to solve the problem? Explain why also please!

Which is the product of 58 and 1,000? a. 0.058 b. 5,800 c. 58,000 d. 580,000

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?