How many 3-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7 if repetition of digits is not allowed?
A) 210
B) 5
C) 343
D) 6

Name: How many 3-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7 if repetition of digits is not allowed? A) 210 B) 5 C) 343 D) 6
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Question

Quizplus · Accepted Answer

To form a 3-digit number without repetition, choose the first digit (7 options), the second digit (6 options), and the third digit (5 options). Multiply these: 7 * 6 * 5 = 210.

How Many 3-Digit Numbers Can Be Formed Using the Digits