Provide an appropriate response.Express in scientific notation: 0.005 × 107

A. 5 × 104
B. 5 × 10-10
C. 5 × 10-3
D. 0.5 × 105


Answer: A

Mathematics

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A computer password is made up of five characters. Each character can be a capital letter (A through Z) or a digit (0 through 9).How many passwords do not start with the digit 0?

A. 364 B. 365 - 1 C. 355 D. 35 × 364  E. none of these

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Graph the line described.through (0, 4); m = 

A.

B.

C.

D.

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Find the vertex, focus, and directrix of the parabola. Graph the equation.(x + 3)2 = -(y + 2)

A. vertex: (-3-2)
focus: (
-3-2.25)
directrix: y 
= -1.75

B. vertex: (-3-2)
focus: (
-3.25-2)
directrix: x 
= -2.75

C. vertex: (32)
focus: (
31.75)
directrix: y 
= 2.25

D. vertex: (32)
focus: (
2.752)
directrix: x 
= 3.25

Mathematics

Graph the system of inequalities. Shade the region that represents the solution set.y? x2x + y> 6

A.

B.

C.

D.

Mathematics