Solve the problem. Round amounts of money to the nearest cent.In chemistry class, each of the 79 students needs 79 mL of titrate. How many one-liter bottles of titrate need to be available?
A. 7 bottles
B. 6 bottles
C. 62 bottles
D. 8 bottles
Answer: A
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Solve the problem.The half-life of an element is 4.2 × 1012 yr. How long does it take a sample of the element to decay to 
of its original mass? Use 
where A0 is the initial amount, T is the half-life, and t is the time. (Express results in scientific notation, rounded to the nearest hundredth.)
A. 5.07 × 1012 yr B. 2.46 × 1012 yr C. 1.21 × 1012 yr D. 1.18 × 1012 yr
Solve the problem using the normal curve approximation to the binomial distribution.A product is manufactured in batches of 120 and the overall rate of defects is 5%. Estimate the probability that a randomly selected batch contains more than 6 defects.
A. .0832 B. .5871 C. .4641 D. .4168
Write a logical statement representing the circuit.
A. p ? q ? r B. (p ? q) ? r C. p ? (q ? r) D. p ? (q ? r)
Use the limit process to find the slope of the graph of the function at the specified point. Use a graphing utility to confirm your result.
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A. 
B. 
C. 
D. 
E. 