OpenStax, Algebra and Trigonometry 2e §13.5 Counting Principles · Exercise 20 · Combinatorics · Permutations & combinations

Counting Principles · Exercise 20

Determine whether to use the Addition Principle or the Multiplication Principle. Then perform the calculations.

How many ways are there to construct a string of 3 digits if numbers can be repeated?

~8 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §13.5 Counting Principles · Exercise 20

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