What is the number pattern to 5, 17, 53, 161?

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

Equation for the calculation double 2 and then add 5

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.