Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 0.00142857
B. 700
C. 100
D. 0.07
Answer: D
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Reduce the fraction to simplest form.
A. -1
B. 
C. 1
D. 
Solve the problem.A landscaping company sells 30-pound bags of top soil. The actual weight x of a bag, however, may differ from the advertised weight by as much as 0.5 pound. The actual weight of the bag of topsoil, x, can be described by the inequality 
Give the solution of the inequality in interval notation.
A. (-?, 29.5] ? [30.5, ?) B. [-29.5, 30.5] C. (29.5, 30.5) D. [29.5, 30.5]
Find the difference and simplify the answer. 
- 
A. 
B. 1
C. 
D. 32
Solve.Approximately 9 × 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? Write your answer in scientific notation.
A. $2.7 × 109 B. $27 × 109 C. $2.7 × 108 D. $27 × 108