Two people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting.
drag each exchange to match the ratio of currency to currency in each container.

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