Question

This question: 1 point(s) possible

The access code for a car's security system consists of four digits. The first digit cannot be 4 and the last digit must be odd. How many different codes are available?
The number of different codes available is

Answer 1

Answer: 4500

Explanation:

1st 0, 1, 2, 3 ,5 ,6 ,7 ,8 ,9

2nd 0, 1, 2 ,3 ,4 ,5 ,6 ,7 ,8 , 9

3rd 0, 1, 2 ,3 ,4 ,5 ,6 ,7 ,8 , 9

4th 1, 3, 5, 7, 9

9 x 10x 10 x 5= 4500