Solve the problem.The gross national product for the United States was 
. Round this amount to the nearest hundred-billion.
A. $51,200,000,000,000
B. $51,211,000,000,000
C. $51,210,000,000,000
D. $51,000,000,000,000
Answer: A
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Use series to evaluate the limit.
A. - 96
B. - 
C. - 
D. - 
Find the standard deviation for the given data. Round your answer to one more decimal place than the original data.The numbers listed below represent the amount of money that Tom has saved in each of the last 8 months. $282$310$156$138$310$418$115$254Compute the standard deviation.
A. $104.2 B. $567,569.0 C. $282.0 D. $491,536.1
Solve the problem. Round to tenths where necessary.S(x) = -x3 + 6x2 + 288x + 4000, 4 ? x ? 20 is an approximation to the number of salmon swimming upstream to spawn, where x represents the water temperature in degrees Celsius. Find the temperature that produces the maximum number of salmon.
A. 12°C B. 8°C C. 20°C D. 4°C
Factor by grouping.x3 + 5x2 + 6x + 30
A. (x3 + 6)(x + 5) B. (x2 + 6)(x + 5x) C. (x2 + 6)(x - 5) D. (x2 + 6)(x + 5)