Solve the problem. When appropriate, round the solution to the nearest tenth. As needed, use the formula 
Find the [H3O+] if the pH = 2.3.
A. 5.0 × 10-3
B. 2.0 × 102
C. 3.6 × 10-1
D. 2.7 × 101
Answer: A
Mathematics
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Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.(24a)5
A. 220a5 B. 29a C. 24a5 D. 29a5
Mathematics
Write as a percent. Round to the nearest tenth of a percent.
A. 120% B. 33.3% C. 27.8% D. 3.3%
Mathematics
List all the elements of B that belong to the given set.B = {10, 
, -8, 0, 
, - 
, 5.6}Integers
A. {10, -8}
B. {10, 0, 
}
C. {10, 0}
D. {10, -8, 0}
Mathematics
Use synthetic division to perform the division.
?
?
A. 
B. 
C. 
D. 
E. none of these
Mathematics