Marissa has $100. she has to buy 50 items to be eligible for a $100 shopping card, if she is buying 50 packs of gum for $2.05 each, will she have enough money to buy 50 items? if not, how much more money does she need?

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236