How many different numbers can you make out of 1,2,3 and they can't have two of the same numbers in 1 problem ( can't be decimal

Question

Free_Kalibri [48]

3 years ago

14

How many different numbers can you make out of 1,2,3 and they can't have two of the same numbers in 1 problem ( can't be decimal

s) I think it 15?

Mathematics

1 answer:

Zigmanuir [339] · Answer 1 · 2022-03-24T09:21:40+03:00

Zigmanuir [339]3 years ago

6 0

There are 3 different numbers
slot method

how many 3 digit numbers?
321
312
123
132
213
231

6 numbes

how many 2 digit numbers?
12
21
13
31
23
32

6 numbers

how many 1 digit numbers
1
2
3

3 of them

6+6+3=15

15 different number, yah you ar right