Find the value of the expression.

A.
B.
C.
D. 1


Answer: D

Mathematics

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Solve the problem.Yearly sales of an electronic device S(t), in millions of dollars, t years after 1996 can be estimated by S(t) = 200 ? 3t .What is the doubling time for the yearly sales?

A. 1.3 yr B. 0.6 yr C. 0.7 yr D. 5.5 yr

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Write a word name for the given decimal notation.2.8

A. Two and eight thousandths B. Two and eight hundredths C. Two and eight millionths D. Two and eight tenths

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The revenue of Virtual Reality, a video-game arcade, is generated at the rate of  dollars. If the revenue is invested t years from now in a business earning interest at the rate of 17% / year compounded continuously, find the accumulated value of this stream of income at the end of 3 years . Round to the nearest dollar. ?  $__________

Fill in the blank(s) with the appropriate word(s).

Mathematics

Solve the problem.Martha can rake the leaves in her yard in 6 hours. Her brother can do the job in 5 hours. How long will it take them to do the job working together?

A.  hr
B. 2 hr
C.  hr
D. 30 hr

Mathematics