Solve the problem. Leave the answer in exponential notation.The expression 27? 64t approximates the number of bacteria after t hours. After 
hr, how many bacteria are there?
A. 27
B. 213
C. 28
D. 2?13
Answer: C
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Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below:$344$354$313$121$213$152$170$135Compute the standard deviation(s).
A. $471,860.00 B. $97.07 C. $405,900.50 D. $174.00
Identify the vertex, axis of symmetry, and whether the parabola opens upward or downward.
A. (-1, -2); x = -1; Downward B. (-1, -2); x = -1; Upward C. (-2, -1); x = 0; Upward D. (-2, -1); x = 0; Downward
If two lines do not intersect, they may be _______________ or _______________.
Fill in the blank(s) with the appropriate word(s).
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: 2i and -5i
A. f(x) = x4 - 5x2 + 100 B. f(x) = x4 + 29x2 -5x + 100 C. f(x) = x4 - 2x3 + 29x2 + 100 D. f(x) = x4 + 29x2 + 100