A certain lock has three tumblers, and each tumbler can assume seven positions. How many different possibilities are there?
2 answers
Try 7 times for the first, 7 times for the second 7 times for the third, the possibilities (3 independent trials each of 7 outcomes) is 7³=343.
A certain lock has three tumblers, and each tumbler can assume six positions. How many different possibilities are there?
1 answer