Solve the problem.
-How many 5-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 if the first digit cannot be 0? Repeated digits are allowed.
A)45,360
B)15,120
C)90,000
D)59,049

Question

Quizplus · Accepted Answer

For a 5-digit number, the first digit can be any of the 9 options (1-9), and the remaining four can be any of the 10 digits (0-9), leading to 9 * 10^4 = 90,000 possible numbers.

Solve the Problem. -How Many 5-Digit Numbers Can Be Formed Using the Digits