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Setler79 [48]
2 years ago
7

A={2,4,6,…,18,20} then n(A)=

Mathematics
1 answer:
lianna [129]2 years ago
5 0

Answer:

  n(A) = 10

Step-by-step explanation:

The number of elements in the set of even numbers from 2 to 20 is 10.

  n(A) = 10

_____

<em>Additional comment</em>

Dividing the set elements by 2 maps them to the Natural numbers 1 .. 10. This makes them easy to count.

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