Express using positive exponents. Then, if possible, simplify.
-2
A. 
B. 
C. -25
D. 25
Answer: D
Mathematics
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Determine the given complex number raised to a power and write the answer in rectangular form.(1 + i)20
A. -1024i B. 1024 C. -1024 D. 1024i
Mathematics
Write the series using summation notation.310 + 410 + 510 + 610
A. 
B. 
C. 
D. 
Mathematics
Identify the figure as a line, line segment, or ray and name it using the appropriate symbol.
A. Ray named 
B. Line named 
C. Ray named 
or 
D. Line named 
or 
Mathematics
Assume that, at a certain college, 33% of all physics majors belong to ethnic minorities. Given a random sample of 10 physics majors, find the probability of the indicated event. Round your answer as appropriate.Exactly 4 do not belong to an ethnic minority.
A. .0547 B. .2564 C. .0467 D. .2253
Mathematics