Question

A combination lock has 6 different numbers. If each number can only be used ONCE, how many different combinations are possible?

Answer 1

6!=?

Answer 2

?

Answer 3

uh have you learnt factorial?

Answer 4

yea

Answer 5

how many digits are there? 0-9?
there are 6 slots, right?

Answer 6

yes 6 slots

Answer 7

I don't know if its 1-9

Answer 8

whoa okay that is one vague question

anyway, assuming that there are 6 to choose from, and they all have to be unique, use the 6! factorial thing which means 6x5x4x3x2x1 to get your answer