In a certain state, each automobile license plate number consists of two letters followed by a four-digit number. To avoid confusion between "O" and "zero" and "I" and "one", the letters "O" and "I" are not used. How many distinct license plate numbers can be formed?
A)57,600,000
B)5,760,000
C)13,824,000
D)138,240,000
E)331,776,000

Question

Quizplus · Accepted Answer

There are 24 possible letters (26 total minus O and I) and 10 possible digits (0-9). The number of combinations is 24 * 24 * 10 * 10 * 10 * 10 = 5,760,000.

In a Certain State, Each Automobile License Plate Number Consists