What is a decimal equivalent to the expression (3x10)+(5x1)+(8x1/10)+(6x1/100)

Which is equivalent to 450b^9 after it has been simplified completely

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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.