I’m not absolutely sure but i think it’s 7x6x5x4x3x2=5040 because as the first character you can take any of the 7 given then you are left with 5 then 6 then 4 etc.
Another question on Mathematics
Mathematics, 22.06.2019 00:30
Which graph of a hyperbola represents the equation 16x^2-y^2=16
The olympic-size pool at the recreational center is a right rectangular prism 50m long and 25m wide. the pool contains 3000m of water. how deep is the water in the pool?