Solve the problem.An electron has a 1.6 x 10-19 C negative charge. How much work is done in separating two electrons from 2.8 pm to 7.5 pm?
A. 5.2 x 10-17 N?m
B. 11 x 10-16 N?m
C. 5.7 x 10-39 N?m
D. 2.5 x 10-17 N?m
Answer: A
Mathematics
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Evaluate the given integral by using three terms of the appropriate series, rounding the result to four decimal places.
A. 4.7043 B. 0.0043 C. 2.4043 D. 0.2043
Mathematics
Determine the size of the matrix.
A. 3 × 3 B. 2 × 3 C. 6 × 6 D. 9
Mathematics
Find only the rational zeros.f(x) = 3x3 + 7x2 - 22x - 8
A. -4, 2, -1
B. -4, 2, - 
C. 4, -2, 
D. 4, -2, 1
Mathematics
Find the indicated probability.The table below shows the soft drink preferences of people in three age groups.
If one of the 255 subjects is randomly selected, find the probability that the person is over 40 years of age.
A. 
B. 
C. 
D. 
Mathematics