23
32
25
52
26
62
35
53
36
63
56
65
I just did this Quiz and I dont understand how I got this wrong. The question is
How many 2-digit numbers can be formed using the only digits 2,3,5, and 6, if the digits are not repeated within a number.
A.11
B.12
C.10
D.2
I picked 10 but the score sheet says its 12. How is that possible?
3 answers
4 choices for the 1st digit, leaving 3 choices for the 2nd digit.
What is 4x3 ??
What is 4x3 ??
12