Asked by Babatunde

How many 2-digit numbers can be formed using only the digits 2, 3, 5, and 6, if the digits are not be repeated within a number?
A.11
B.12
C.10
D.2
I just don't understand

Answers

Answered by Ms. Sue
23, 25, 26
32, 35, 36
52, 53, 56
62, 63, 65

Answered by Reiny
The tens place can be filled in 4 ways
for each of those, the unit place can be filled in 3 ways
number of such numbers = 4 x 3 = 12

(count the numbers that Ms Sue gave you)
Answered by Babatunde
Thanks
Answered by Ms. Sue
You're welcome.
Answered by Swear words
THANK YOU SO MUCH!!!
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