Write a sentence containing scientific notation for the answer.A company has 7 × 103 employees. In 2009, the company paid each employee  per year. Multiply those two numbers to find the total amount the company paid in salaries.

A. The company paid $1.75 × 109 in salaries.
B. The company paid $17.5 × 108 in salaries.
C. The company paid $1.75 × 108 in salaries.
D. The company paid $17.5 × 109 in salaries.


Answer: C

Mathematics

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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.

A. 1.23 × 10-2
B.
C. 4.12 × 10-3
D. 1.37 × 10-3

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Determine where the function is concave upward and where it is concave downward. ? ?

A. concave upward on ;

concave downward on 


B. concave upward on ;

concave downward on 


C. concave upward on ;

concave downward on 


D. concave upward on ;

concave downward on 


E. concave upward on ;

concave downward on 


Mathematics

Solve.In a recent International Gymnastics competition, the U.S., China, and Romania were the big winners. If the total number of medals won by each team are three consecutive integers whose sum is 39 and the U.S. won more than China who won more than Romania, how many medals did each team win?

A. U.S.: 12 medals; China: 11 medals; Romania: 10 medals B. U.S.: 15 medals; China: 14 medals; Romania: 13 medals C. U.S.: 41 medals; China: 40 medals; Romania: 39 medals D. U.S.: 14 medals; China: 13 medals; Romania: 12 medals

Mathematics

Graph the solution of the inequality on a number line.2 < x < 6

A.
B.
C.
D.

Mathematics