Use the change-of-base formula and a calculator to evaluate each logarithm.log? 300
A. 1.1447
B. 4.9827
C. 0.2007
D. 5.7038
Answer: B
Mathematics
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If ?t is increased by 1, then 
is decreased by what percentage?
?
A. 85% B. 15% C. 0.85% D. 0.15%
Mathematics
Perform the indicated operation and express the answer in decimal notation.
A. 0.00000025 B. 250,000 C. -0.00000025 D. -250,000
Mathematics
Write the comparison as a ratio in the form of a fraction.$4 for every 7 tickets
A. 
B. 
C. 
D. 
Mathematics
Use a calculator to approximate the expression. Write your answer in scientific notation, and round to the nearest tenth as needed.
A. 7.2 × 108 B. 6.8 × 106 C. 7.6 × 108 D. 7.2 × 106
Mathematics