Rationalize the denominator.

A.
B.
C.
D.


Answer: A

Mathematics

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Determine ratio of A to B. Round as indicated.A = 2.9 million is the population of City AB = 1.7 million is the population of City B(Round to the nearest hundredth when necessary.)

A. 17.06 B. 0.17 C. 0.59 D. 1.71

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Solve.y +  = 

A. - 
B.
C. - 
D.

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Write the following using exponents.4 ? 4 ? 4 ? 4 ? 4 ? 4

A. 46 B. 24  C. 64 D. 45

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The intensity I of light (in lumens) at a distance x meters below the surface is given by I = Iok x , where Io is the intensity at the surface and k depends on the clarity of the water. At one location in the Arctic Ocean, Io = 9 and k = 0.7. Find the intensity at a depth of 6 meters. Round your answer to two decimal places. ?

A. 1.05 lumens B. 2.70 lumens C. 1.06 lumens D. 6.30 lumens E. 31.55 lumens

Mathematics