Solve the problem.
-How many 4-letter codes can be formed using the letters A, B, C, D, E, and F? No letter can be used more than once.
A)360
B)30
C)15
D)60

Name: Solve the problem. -How many 4-letter codes can be formed using the letters A, B, C, D, E, and F? No letter can be used more than once. A)360 B)30 C)15 D)60
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Question

Quizplus · Accepted Answer

Since no letter can be used more than once and there are 6 letters to choose from, the number of 4-letter codes can be calculated using permutations: 6P4 = 6! / (6-4)! = 6*5*4*3 = 360.

Solve the Problem. -How Many 4-Letter Codes Can Be Formed Using the Letters