Solve the problem.Find the hydrogen ion concentration of a solution whose pH is 8.3. Use the formula 
A. 2.00 × 108
B. 5.01 × 10-9
C. -0.9190781
D. 0.91907809
Answer: B
Mathematics
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Use common or natural logarithms to solve the exponential equation symbolically.3(x - 1) = 12
A. x = - 
- 1
B. x = 1 + 
C. x = 
+ 1
D. x = 
- 1
Mathematics
Find the component form and magnitude of the indicated vector.Given that P = (11, 5) and Q = (3, 10), find the component form and magnitude of the 
A. 
, 89
B. 
, 
C. 
, 
D. 
, 89
Mathematics
Multiply.(w - 11)2
A. w + 121 B. 121w2 - 22w + 121 C. w2 - 22w + 121 D. w2 + 121
Mathematics
Solve the equation.4
2 = 49
A. {3, -4} B. {6, -8} C. {8, -6} D. {4, -3}
Mathematics