Beth wants to make a picture frame like the one pictured below. She recorded the outside
dimensions as 5 cm by 7 cm. Measure the outside
dimensions of the frame in millimeters. Compare
your measurements to Beth's. Do you think her
measurements are precise enough? Explain.

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