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Q: How many 3 digit numbers can you make with 3 6 and 9?

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24

6, as long as they are all different

None. 3 digit numbers are not divisible by 19 digit numbers.

You can make 4*3*2/2 = 12 numbers.

There are 5 numbers which can make the 3 digit numbers in this example. Therefore each digit in the 3 digit number has 5 choices of which number can be placed there. Therefore number of 3 digit numbers = 5 x 5 x 5 = 125

12,13,14 21,23,24 31,32,34 43,42,41 12 two-digit numbers

106------------------------------------------------------------------------------------------------From Rafaelrz.You can make, 4P3 = 4!/(4-3)! = 24, different 3 digit numbers using 1, 2, 3 and 4.

There are 151 3-digit numbers that are divisible by 6.

24 = 4*3*2*1

There are 84 such numbers.

90(:

There are 900 three-digit numbers, ranging from 100 to 999.

3 digit numbers are lessthan 4 digit numbers

The 3 digit numbers under 500 are 100 through 499.

9

30

Answer is 120 (5x4x3x2x1)

3*3*2*1 = 18 of them.

If you want 4-digit numbers, there are 24 of them.

-5

100

450 whole numbers.

There are 30 such numbers.

There are 450 such numbers.

4C3 = (4!)/(4 -3)!3!] = (4 x 3!)/(1!3!) = 4 ways