Your school locker has a dial with 50 numbers which required 3 numbers to open. (It is not a combination lock.) IF the numbers CANNOT be repeated, which expression would give you the number of...

Extracted text: Your school locker has a dial with 50 numbers which required 3 numbers to open. (It is not a combination lock.) IF the numbers CANNOT be repeated, which expression would give you the number of possible 'combinations' (permutations)? 45 50+49+48+47.. +1 50! 50 x 3 x 2 x 1 O 50 x 3 (or 50+50+50) 50 x 49 x 48 O 50 x 50 x 50 O 50+49+48 35 40