PH = -log[H+]
= -log(2*10^-9)
= -(log(2) +log(10^-9))
= -(0.3 -9)
= 8.7
The appropriate choice is
C. 8.7
Answer:
thanks
Step-by-step explanation:
I'll take it
This is a case of empirical (observed) probability. Historically speaking, 8 out of 960 calculators were found to be defective.
Thus P(defective calculator) = 8/960, or 0.008333 ...
As a percent, this is 0.8%.
