Question

n(A)=7, n(B)=13, n( A ∩ B)=4, then n (A ∪ B)=? *
1 point
16
18
15
20​

Answer 1

Answer:

THE ANSWER IS 16

Step-by-step explanation:

n (A ∪ B)

= n(A) + n(B) - n( A ∩ B)

= 7+13-4

= 16

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Answer 2

Answer:

option A is correct answer.....

Given that,

n(A)=7,

n(B)=13,

n(AnB)=4

And, n(AUB)=?

we know that,

n(AUB)=n(A)+n(B)-n(AnB)

n(AUB)=7+13-4

n(AnB)=16

Step-by-step explanation:

Hope it helps you frnd......