7 is not equal to the others
using the laws of exponents
/
= 1 /
= 
= 
Apart from 7 the other 3 all equal 
Answer:
9.847 %
Step-by-step explanation:
Be p1 the probability that the mammogram detect breast cancer in a woman.
p1=81%.
The probability 'P' that independent and consecutive 'n' singular events with p probability occur is:

In this case:
P: Probability that breast cancer be detected on 11 women with breast cancer.

%
The square root of 6 is 2.44 +
Square root of 30 is 5.47
So 2.44 + 5.47 is 4.01
Your answer is 4.01
Square root of 36 is 6
So 6+ 6 is 12
Your answer is 12
Hope this helps *smiles*