Question

choosing the last 3 digits in a five digit zip code if the first 6 the second is 1 and no digit is used more than once

Answer 1

I got this satellite, u can just check

Answer 2

gotta practice for probability

Answer 3

i will be quiet

Answer 4

yay tnx!

Answer 5

ok so:
First one has to be 6 and 2nd one has to be 1, so only one option for each of those:
1*1*...

Answer 6

Now for the rest three.. you've used up 6 and 1, so u have 8 more digits left.

Answer 7

1*1*8*7*6

Answer 8

because every time after those 8 digits, u're using up the digits from 0 to 9 so u have less left everytime

Answer 9

what bahrom said