How to Calculate a Permutation


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question 1 of 3

Jane is attempting to unlock her locker but has forgotten her locker combination. The lock uses 3 numbers and includes only the numbers 1 to 9. Each of the digits also can not be repeated in the combination. How many possible locker combinations can be formed?

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1. Solve the expression 7P2 (P = permutation)

2. Solve 8! (the factorial of 8)

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About This Quiz & Worksheet

This quiz and worksheet can help you assess your knowledge of permutation and how it is calculated. You will be quizzed on positive integers and factorials.

Quiz & Worksheet Goals

This quiz and worksheet combo can help you assess your understanding of:

  • Calculating a permutation
  • Factorials
  • Positive integers

Skills Practiced

This quiz and worksheet can help you practice the following skills:

  • Problem solving - use acquired knowledge to solve permutation practice problems
  • Reading comprehension - ensure that you draw the most important information from the related permutation lesson
  • Interpreting information - ensure that you can read information regarding positive integers and interpret it correctly

Additional Learning

If you need more info, refer to the lesson titled How to Calculate a Permutation. You will be able to review the topics in the quiz and these objectives:

  • Define permutation
  • Identify positive integers
  • Determine how factorials are written