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Mathematics 13 Online
OpenStudy (hotpinkgirl):

How many 2- digit numbers can be formed using only the digits 2,3,5,6, of the digits are not be repeated within a number? A. 11 B. 12 C. 0 D. 2

OpenStudy (hotpinkgirl):

@Michele_Laino

OpenStudy (perl):

how many ways for the first number? how many ways for the second number (don't repeat)

OpenStudy (z4k4r1y4):

ther are four digits and each only has three possible combinations.

OpenStudy (hotpinkgirl):

is it B?

OpenStudy (hotpinkgirl):

@perl @Z4K4R1Y4

OpenStudy (hotpinkgirl):

@Mehek14

Mehek (mehek14):

yes B

OpenStudy (hotpinkgirl):

can you explain the answer please : )

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