Question

Please help, I'll give you a medal.

How many 2-digit numbers can be formed by 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

Answer 1

Its C.

Answer 2

can I have medal

Answer 3

It is 12, if you count manually, so I would go with B

Answer 4

its b

Answer 5

explaination: every digit out of the four given digits can be combined with three other digits to form a two digit number.

So there are a total of 3 * 4 = 12 possible numbers

Answer 6

you can also solve it by using the combinations formula..

Answer 7

its B fo sho