a⊂e, n(a)=8, n(e)=15 ⇒ n(a)=?
a⊂e, n(a)=8, n(e)=15 ⇒ n(a)=?
Answer
Answer:
7
Explanation:
Step1: Recall the formula
$n(A')=n(E)-n(A)$
Step2: Substitute values
$n(A') = 15 - 8$
Step3: Calculate result
$n(A')=7$
a⊂e, n(a)=8, n(e)=15 ⇒ n(a)=?
7
$n(A')=n(E)-n(A)$
$n(A') = 15 - 8$
$n(A')=7$