Find the reciprocal.
A. - 
B. 
C. 
D. - 
Answer: B
Mathematics
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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
Mathematics
Find the requested sum for the arithmetic sequence.a1 = 1, d = -4; S6
A. -54 B. -19 C. 6 D. -23
Mathematics
Use an associative property to complete the statement. Do not simplify.(-6 + m) + 6 = 
A. 6 + (-6 + m) B. -6 + (m + 6) C. (m - 6) + 6 D. -6m + 6
Mathematics
Solve the equation.y2 = 
A. -9, 9
B. - 
, 
C. - 
, 
D. 
Mathematics