Because testing of nuclear bombs was halted inter­nationally in 1992, the Department of Energy has developed a laser system that allows engineers to simulate (in a laboratory) conditions in a thermo­nuclear reaction. Due to soaring cost overruns, a congressional committee undertook an investiga­tion and discovered that the estimated develop­ment cost of the project increased at an average rate of 2% per month over a 5-year period. If the original cost was estimated to be $2.3 billion 5 years ago, what is the expected cost today?

What will be an ideal response?


F = 2.3(F/P,2%,60) (in $ billion)
= 2.3(3.2810)
= $7.546

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Determine the 3rd quartiles of the following data set.2, 8, 9, 11, 24, 27, 29, 31, 34, 37, 40, 42, 47, 51, 54, 56, 59, 62, 70

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

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Before changing the blade in an electric circular saw, you should:

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The ground wire in an AC system provides _________________.

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