3 years ago

For Exercises 51–60, use the following information:

Mathematics

1 answer:

Leni [432]3 years ago

8 0

Answer:

Step-by-step explanation:

We assume your "natural numbers" are <em>positive integers</em>. (Some authors also include zero.)

n(B) = 5

n(U) = 20

n(B') = 20 -5 = 15

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