Mia is 6.94512 x 106 minutes old. Convert her age to more appropriate units using years, months, and days. Assume a year has 365 days and a month has 30 days.
Mia is
? years,
? months, and
? days old.

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