Express the number in scientific notation.870,000
A. 8.7 × 105
B. 8.7 × 104
C. 8.7 × 10-4
D. 8.7 × 10-5
Answer: A
Mathematics
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A. (x + 5)2 - 15(x + 5) + 48 B. (x - 5)2 - 15(x - 5) + 52 C. (x - 5)2 - 15(x - 5) + 48 D. (x + 5)2 - 15(x + 5) + 52
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Solve the problem.If 4 is subtracted from a number and this difference is doubled, the result is 5 more than the number. Find the number.
A. 13 B. 4 C. -4 D. -13
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Graph the linear equation using intercepts.x - 2y = 8
A. 
B. 
C. 
D. 
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Solve the inequality and graph the solution.10x - 8 ? 2x - 13
A. 
B. [-5, ?)
C. (-?, 8]
D. 
Mathematics