OpenStax, Algebra and Trigonometry 2e §13.5 Counting Principles · Exercise 9 · Combinatorics · Permutations & combinations

Counting Principles · Exercise 9

Assume that there are $n$ ways an event $A$ can happen, $m$ ways an event $B$ can happen, and that $A and B$ are non-overlapping.

Use the Multiplication Principle of counting to explain how many ways event $A and B$ can occur.

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OpenStax, Algebra and Trigonometry 2e · §13.5 Counting Principles · Exercise 9

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