The answer is 10C4 = 10!/[4!*6!] = 210
Allowing repeats, but not leading 0s, the answer is 9,000,000,000
9
10C6 = 10*9*8*7/(4*3*2*1) = 210 combinations.
There are a huge number of combinations of 5 numbers when using the numbers 0 through 10. There are 10 to the 5th power combinations of these numbers.
45
10
"There are 10,000 different combinations"-Hey nick! love dave and jalp
10 Combinations (if order doesn't matter). 3,628,800 Possiblilities (if order matters).
10
The answer is 10C4 = 10!/[4!*6!] = 210
Allowing repeats, but not leading 0s, the answer is 9,000,000,000
10*10
You could make 10*10*10*26*26*26 combinations, or 17576000 combinations.
9
10C6 = 10*9*8*7/(4*3*2*1) = 210 combinations.
In other words, how many 4 digit combination locks are there using the digits 0-9 on each wheel. There are 10×10×10×10 = 10⁴ = 10,000 such combinations.