Solve the problem.If Emery has $2000 to invest at 8% per year compounded monthly, how long will it be before he has $3300? If the compounding is continuous, how long will it be? (Round your answers to three decimal places.)
A. 6.281 yrs, 6.26 yrs
B. 78.476 yrs, 6.51 yrs
C. 0.542 yrs, 0.522 yrs
D. 0.082 yrs, 0.626 yrs
Answer: A
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Decide whether the statement is an example of the commutative, associative, identity, inverse, or distributive property.
= 1
A. Associative B. Inverse C. Identity D. Commutative
Simplify the expression.
?
?
A. 3
B. -3
C. 
D. -27
E. -30
Solve the problem.A nuclear scientist has a sample of 
of a radioactive material which has a half-life in hours. She monitors the amount of radioactive material over a period of a day and obtains the following data. Use a graphing utility to fit an exponential function to the data. Predict the amount of material remaining at 40 hours.
.
A. y = 100e-0.077x, 6.7 mg B. y = 100e-0.077x, 4.6 mg C. y = 86e-0.071x, 5.0 mg D. y = 92e-0.0686x, 5.9 mg
Use the product rule to simplify. Write the results using exponents.53 ? 59
A. 512 B. 2512 C. 2527 D. 527