4 factorial, or 4!, equals 24
Only if one of the numbers is a multiple of the other.
There is only one combination. In a combination the order of the numbers does not matter so the only combination is 0123456789. This is the same as 1326458097
No. Not if the numbers are to be used only once. There is only one 5 (or a multiple of 5) in the numbers available. Using times and divide cannot produce any more of them. On the other hand 100 is divisible by 5*5 so at least two fives are required. If the numbers can be used more than once then 2*2*5*5 is one possible solution.
There will probably be other solutions but one is, 69 + 14 = 69 + 1 = 70
By adding 5+1 to get the sum of six.
Yes, if one of the numbers is a multiple of the other.
Only if that number is a factor of the other one.
More than one
Prime numbers. They are divisible evenly (no remainder) by one and themselves only.
A prime number has only two factors, one and the number itself. Numbers that are multiples of other numbers greater than one have more than two.
choosing a variable to represent one of the unspecified numbers in a problem and using it to write expressions for the other unspecified numbers in the problem.
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