Answer:
648 numbers
Step-by-step explanation:
To find the number of three digit numbers that do not contain the digit 5: There are 8 choices for the hundreds digit (all digits except 0 and 5), 9 choices for the tens digit (all digits except 5) and 9 choices for the units digit (all digits except 5); for a total of 8 x 9 x 9 = 648 numbers
