Find the logarithm. Give an approximation to four decimal places.ln (8.57 × e-4)
A. 6.1483
B. 2.1504
C. -1.8517
D. 2.1483
Answer: C
Mathematics
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Solve the problem.A single die is rolled one time. Find the probability of rolling an even number or a number less than 3.
A. 
B. 
C. 
D. 
Mathematics
Use the information in the table to solve the problem. Write your answer as a fraction in lowest terms.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater.
Find the ratio of pollutant A to pollutant B.
A. 
B. 
C. 
D. 
Mathematics
Convert the units using unit fractions.405 min = 
hr
A. 24,300
B. 6
C. 4050
D. 6
Mathematics
Simplify the expression, writing the answer as a single term without negative exponents.(a-1 + b-1)-1
A. 
B. 
C. 
D. 
Mathematics