Express the number in scientific notation.216
A. 2.16 x 102
B. 2.16 x 10-2
C. 2.16 x 101
D. 2.16 x 103
Answer: A
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Find the median of the data set.
Use the following information to answer question, 24 students in an engineering class were asked to record the number of hours spent in a lab during a week. The results are listed below. 3, 10, 21, 14, 8, 5, 1, 4, 13, 7, 9, 6, 11, 10, 6, 7, 12, 16, 1 , 7, 14, 1, 11, 8
When possible, apply the distributive law and combine like terms.(-7)(9x + 9y) + 8(3x + 7y)
A. -126xy B. -39x - 7y C. -39x + 9y + 7 D. 2x - 7y
Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = -x2 + 4x + 12
A. Increasing on (2, ?); decreasing on (-?, 2) B. Increasing on (-?, - 2); decreasing on (- 2, ?) C. Increasing on (-?, 2); decreasing on (2, ?) D. Increasing on (- 2, ?); decreasing on (-?, - 2)
Use the circle graph of one family's allowance for appliances in their new house to complete the exercise. Write ratios as fractions in lowest terms.
A = $556D = $640B = $1151E = $359C = $418F = $354Find the ratio of dishwasher to total allowance.
A. 
B. 
C. 
D. 