Solve the problem.How many 4-letter codes can be formed using the letters A, B, C, D, E, and F? No letter can be used more than once.
A. 15
B. 60
C. 30
D. 360
Answer: D
Mathematics
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Find the sum of the first 8 terms of the geometric sequence 4, -20, 100, ...
Fill in the blank(s) with the appropriate word(s).
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Determine the limit.
(Hint: Multiply by 
first.)
A. 6
B. 0
C. 
D. 3
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Solve the linear equation.
= 
+ 
A. 
B. {0}
C. 
D. 
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Divide.
A. - i B. 0 C. -1 D. 1
Mathematics