Express in scientific notation.13,000,000
A. 1.3 × 10-7
B. 1.3 × 106
C. 1.3 × 10-6
D. 1.3 × 107
Answer: D
Mathematics
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A. [-3, 6)
B. [-3, 6)
C. (-3, 6]
D. (-?, 6)
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A. x2 - 5xy - 15y2 B. x - 2xy - 15y C. x2 - 2xy - 2y2 D. x2 - 2xy - 15y2
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Perform the indicated operations.4 - (-12) ? (-5) + 11
A. -45 B. -69 C. 8 D. 128
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Write the series in summation notation. Use the index i and let i begin at 1 in each summation.b3 + b4 + b5 + . . . + b14
A. 
B. 
C. 
D. 
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