Of the following is a true statement?
9/12 • 12/9 = 0
3/10 ÷ 7/9 = 3/10 • 9/7
4/5 • 4/5 = 1
1/2 ÷ 1/2 = 1/4

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.