Solve the problem.In chemistry, the pH of a substance can be determined using the formula pH = -log [H+], where [H+] represents the hydrogen ion concentration. Determine the pH of the solution which has a hydrogen concentration of 4.1 × 10-11. Round to the nearest tenth.

A. 10.4
B. 10.7
C. 11.6
D. -11.6


Answer: A

Mathematics

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Evaluate the expression for the given replacement values. Write the answer in simplest form.xy for x = , y = 

A.
B.
C.
D.

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A. Yes B. No

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Find all the zeros of the polynomial function.P(x) = 16x3 - 24x2 + 10x - 2

A. 1,  + i
B. 1
C.  + i,  - i
D. 1,  + i,  - i

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