E eliana New member Mar 25, 2010 #1 A combination lock will open when the right choice of three numbers (from 1 to 30) is selected. How many different lock combinations are possible? I selected 90 but it was a wrong answer choice!
A combination lock will open when the right choice of three numbers (from 1 to 30) is selected. How many different lock combinations are possible? I selected 90 but it was a wrong answer choice!
