Express the number in scientific notation.0.000315

A. 3.15 × 10-3
B. 3.15 × 104
C. 3.15 × 10-4
D. 3.15 × 10-5


Answer: C

Mathematics

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Set up the iterated integral for evaluating over the given region D. DD is the rectangular solid whose base is the triangle with vertices at   and , and whose top lies in the plane .

A.
B.
C.
D.

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Find the slope-intercept form of the equation of the line with the given properties.Slope = - ; y-intercept = 6

A. y = - x + 5
B. y = - x + 6
C. y = - x + 5
D. y = x + 6

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Provide an appropriate response.Which equation does not require the use of the multiplication property of equality to solve the equation?

A. -5x - (-6)x = -1
B. - x = -1 + 6
C. -6x + 5x = -1
D. 6x + 3 - (-5x + 6) = -1

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Solve the problem.From a balloon 1089 feet high, the angle of depression to the ranger headquarters is 51°55'. How far is the headquarters from a point on the ground directly below the balloon (to the nearest foot)?

A. 843 ft B. 858 ft C. 853 ft D. 848 ft

Mathematics