Convert the given number to scientific notation.0.000000215019
A. 2.15019 × 10-7
B. 2.15019 × 107
C. 2.15019 × 106
D. 2.15019 × 10-6
Answer: A
Mathematics
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A. 9e3 B. 3e3 C. 3e12 D. 9e12
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For the given compound inequality, state whether intersection or union should be used. Then give the solution set in both interval and graph forms.x ? -6 and x < 6
A. Intersection; [-6, 6)
B. Intersection; ?
C. Union; (-?, ?)
D. Intersection; [-6, ?)
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Use the imaginary unit to write the expression.
A. 40i
B. i
C. ±40
D. -40i
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Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = (x - 5)2 - 6
A. 
B. 
C. 
D. 
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