Solve. Express the result in scientific notation. If necessary, round the decimal factor to two decimal places.Approximately 8 × 103 employees of a certain company average $30,000 each year in salary. What is the total amount earned by all the employees of this company per year?
A. $24 × 109
B. $24 × 108
C. $2.4 × 108
D. $2.4 × 109
Answer: C
Mathematics
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Write the number in standard notation.Forty-three thousand nine hundred ninety-eight.
A. 49,398 B. 4,390 C. 43,998 D. 4,399 E. 43,098
Mathematics
Find an equation of a parabola that satisfies the given conditions.Vertex (5, -4), focus (8, -4)
A. (y + 4) = 
B. x - 5 = 3(y + 4)2
C. 
(x - 5) = (y + 4)2
D. (x - 5) = 
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible.log9 5(x - 8)
A. log9 5 ? log5 (x - 8) B. log9 5 ? log9 (x - 8) C. log9 5 + log5 (x - 8) D. log9 5 + log9 (x - 8)
Mathematics
Solve the equation.(5x - 3)2/3 - 3 = 13
A. 
B. 
C. 
D. 
Mathematics