The chemical acidity of a solution is measured in units of pH:
, where
is the hydrogen ion concentration in the solution. What is
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A. 3.800
B.
C.
D.
E.
Answer: E
Mathematics
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Find the volume of the solid generated by revolving the shaded region about the given axis.About the x-axis
A. ?
B. ?
C. ?
D. ?
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Solve the system by the addition method.
A. {(2, 0), (-2, 0)} B. {(3, 0), (-3, 0)} C. {(0, 3), (0, -3)} D. {(0, 2), (0, -2)}
Mathematics
Simplify the factorial expression.
A.
B. 56
C.
D. 2!
Mathematics