362,880
edit:
3,628,800
edit:
Sorry, Whizkid. You included '10', whereas the question
clearly stated "single-digit numbers".
Now that we think about it, the "10 single digit numbers"
must include zero, so the product is zero.
But for the digits 1 thru 9, the product is still 362,880 .
6 x 10^10
5 x 10^-9
Technically, that is not possible. A digit is another word for a number and it would be impossible for a single number to contain ten numbers.
"Single digit numbers".
A single digit prime number
-98
6 x 10^10
Number of 7 digit combinations out of the 10 one-digit numbers = 120.
3.94 x 10^-6
5 x 10^-9
Technically, that is not possible. A digit is another word for a number and it would be impossible for a single number to contain ten numbers.
That would be 3 x 10^14 .
It is 0.
"Single digit numbers".
A single digit prime number
10 because 10 is the first 2 digit number out of all numbers.
0.0000000734 = 7.34 x 10^-8 ≈ 7 x 10^-8