Acylindrical cardboard tube with a diameter of 8 centimeters and a height of 20 centimeters is used to package a gift. what is the approximate volume of the tube? round to the nearest whole cubic centimeter.
1,005 cm3
1,340 cm3
3,351 cm3
4,021 cm3

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.