The number of 3 digit odd numbers with no repeated digits is?
well, the last number is 1,3,5,7,9
the other two numbers cannot be from the chosen odd, and they cannot be the same. the lead digit cannot be zero
number combinations=5*9*7
the other two numbers cannot be from the chosen odd, and they cannot be the same. the lead digit cannot be zero
number combinations=5*9*7