Perform the indicated operations and express your answer in the form a + bi. 
A. i
B. -6i
C. ±6
D. 6i
Answer: D
Mathematics
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In the following question(s), FN represents the Nth Fibonacci number.If F500 = a and F501 = b, then F502 =
A. 2a - b. B. a + b. C. a + 2a. D. b - a. E. none of these
Mathematics
Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round to four decimal places.log1020
A. 0.3010 B. 2.3010 C. 0.7686 D. 1.3010
Mathematics
Solve the problem.The amount of a radioactive substance present, in grams, at time t in months is given by the formula 
Find the number of grams present in 3 years. If necessary, round to three decimal places.
A. 4.081 B. 3958.524 C. 395.852 D. 40.807
Mathematics
Factor the trinomial.y2 - 10y + 16
A. (y - 16)(y - 1) B. (y + 8)(y + 2) C. (y - 8)(y + 2) D. (y - 8)(y - 2)
Mathematics