A numerical pass code is required to open a car door. The pass code is five digits long and uses the digits 0-9. Numbers may be repeated in the pass code. How many different pass codes exist?
0-9 is 10 digits. Since digits can repeat, we use the fundamental rule of counting to get:
10 * 10 * 10 * 10 * 10 = 100,000 different pass codes
0-9 is 10 digits. Since digits can repeat, we use the fundamental rule of counting to get:
10 * 10 * 10 * 10 * 10 = 100,000 different pass codes