Write the number in scientific notation.0.000939
A. 9.39 × 10-3
B. 9.39 × 10-5
C. 9.39 × 104
D. 9.39 × 10-4
Answer: D
Mathematics
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Graph the piecewise-defined function.
?
?
A. ?
B. ?
C. ?
D. ?
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Find the sum Sn of the first n terms of the geometric sequence. 
, - 
, 
, - 
, 
, . . . .; n = 14
A. - 
B. - 
C. - 781
D. - 
Mathematics
Complete the table for the radioactive isotope.
Isotope
Half-life(years)
Initial Quantity
Amount after 1000 years
24,100
---- 
A. Initial Quantity: 
B. Initial Quantity: 
C. Initial Quantity: 
D. Initial Quantity: 
E. Initial Quantity: 
Mathematics
Solve the inequality. Graph the solution set and write it in interval notation.x + 3 > 7x - 3
A. (1, ?)
B. (-1, ?)
C. (-?, -1)
D. (-?, 1)
Mathematics