Use the formula for Sn to find the sum of the first five terms of the geometric sequence.
, 
, 
, 
, . . .
A. 
B. 
C. 
D. 341
Answer: B
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Use scientific notation to solve the problem.The national debt of a small country is $7,420,000,000 and the population is 2,550,000. What is the amount of debt per person?
A. $2.91 x 106 B. $29.10 C. $2.91 x 103 D. $2.91
Solve the triangle.? = 40°,
? = 10°,
b = 5
A. ? = 130°, c = 1.35, a = 5.96 B. ? = 130°, c = 2.35, a = 5.96 C. ? = 130°, c = 5.96, a = 0.35 D. ? = 130°, c = 5.96, a = 1.35
Find the x- and y- intercepts.7x + 6y = 42
A. (7, 0), (0, 6) B. (6, 0), (0, -7) C. (6, 0), (0, 7) D. (-6, 0), (0, -7)
According to data released by the Chamber of Commerce of a certain city, the weekly wages (in dollars) of female factory workers are normally distributed with a mean of 575 and a standard deviation of 50. Find the probability that a female factory worker selected at random from the city makes a weekly wage of $550 to $625.
a. The probability is 0.5438. b. The probability is 0.5339. c. The probability is 0.5328. d. The probability is 0.4297.