Find the sum of the finite geometric sequence. (Round your answer to three decimal places.)
?
?
A. 999.405
B. 5,969.678
C. 7,108.465
D. 4,874.690
E. 1,021.735
Answer: C
Mathematics
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Write the first four elements of the sequence. 
n
A. 2, 
, 
, 
B. 0, 2, 
, 
C. 0, 1, 
, 
D. 1, 
, 
, 
Mathematics
Simplify. Write your answer in the form a + bi, where a and b are real numbers.(-5 + 4i) + (10 + 4i)
A. 5 + 12i B. 5 + 8i C. 10 + 8i D. -5 + 8i
Mathematics
Multiply.-10x(-12x - 4)
A. 160x2 B. 120x2 + 40x C. -12x2 + 40x D. 120x2 - 4x
Mathematics
Solve the logarithmic equation.log4(x + 7) + log4(x - 7) = 1
A. 
B. 
C. 4
D. 53
Mathematics