Asked by ariana

a lock has a code of 5 numbers between 1 and 20 . If no numbers in the code are allowed to repeat, how many different codes could be made?


Thank you

Answers

Answered by R_scott
20C5
Answered by oobleck
20 * 19 * 18 * 17 * 16
Answered by R_scott
oobleck is correct

its a code ... so the same numbers can be used in a different order
Answered by ariana
so ....15,504?
Answered by ariana
what do i do with these?
20 * 19 * 18 * 17 * 16
There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions