Best Answer

14

* * * * *

Wrong! There are 15.

4 combinations of 1 number,

6 combinations of 2 number,

4 combinations of 3 numbers, and

1 combination of 4 numbers.

Q: How many numbers can you make with 3 7 8 9?

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15

7^2=49

30

3 x 7 x 7

(7 x 4) + 3 - 7 = 28 + 3 -7 = 24

Related questions

15

7^2=49

30

3 x 7 x 7

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

(7 x 4) + 3 - 7 = 28 + 3 -7 = 24

How about the prime numbers of: 3+7 = 10

2, 3, 7,

7

478, 487, 874, 847, 748, 784. (6)

1 + 2 + 3 + 4 + 5 + 6 + 7 + 2 + 3 + 4 = 37 note: there are many other variations/answers

2+3+7+9+3=24