Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find the pH if [H3O+] = 1.0 × 10-5.
A. -5
B. 9
C. -9
D. 5
Answer: D
Mathematics
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Provide an appropriate response.Obtain the first nonzero term of the Maclaurin series for sin(tan x) - tan(sin x).
A. 
B. - 
C. 
D. - 
Mathematics
Make the following conversion in the metric system.111.9 millimeters to decimeters
A. 11,190 dm B. 0.1119 dm C. 11.19 dm D. 1.119 dm
Mathematics
Convert the radian measure to degrees. Round to the nearest hundredth.-5.4
A. -618.60° B. -309.60° C. -618.80° D. -309.40°
Mathematics
Solve.If y varies directly as x, and y = 3 when x = 2, find y when x = 8.
A. 
B. 12
C. 
D. 
Mathematics