Which of the following statements uses the commutative property of multiplication?

8 × 4 = 4 × 8
2 × (9 × 5) = (2 × 9) × 5
1 × 10 = 10
7 × 0 = 0

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.