In a certain city, the street blocks have a uniform size of 90 meters north-south by 260 meters east-west. if a typical neighborhood has two blocks east-west by three works north-south, how much area does it cover?

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