If a country's annual production of sugar is 30,000,000 tons, estimate the number of grains of sugar produced in a year in that country. Use scientific notation. Round your answer to 4 decimal places. (Note: There are 2,000 lb per ton. Assume there are 2,260,000 grains in a pound of sugar.)
?
A. 
B. 
C. 
D. 
E. 
Answer: C
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Solve the inequality. Graph the solution set, and state the solution set in interval notation.
> 2
A. (-6, 6)
B. (-6, 0)
C. (0, ?)
D. (-?, -6) ? (0, ?)
Estimate the value of the quantity.A hat is dropped from a hot air balloon. The hat falls faster and faster but its acceleration decreases over time due to air resistance. The acceleration is measured every second after the drop for 6 seconds. Find an upper estimate for the speed when 
A. 192 ft/sec B. 40.96 ft/sec C. 32.08 ft/sec D. 71.87 ft/sec
First, round the mixed numbers to the nearest whole number and estimate the answer. Then find the exact answer and write it in simplest form.3
? 6
A. 18
B. 21
C. 24
D. 20
Provide an appropriate response.The formula used to find the volume of the frustum of a square pyramid is 
where b is the length of the base, a is the length of the top, and h is the height. Try to visualize the figure if 
Calculate the volume if 
and 
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A. 25,934,336 cubic feet
B. 25,935,336 cubic feet
C. 87,616 cubic feet
D. 25,934,436 cubic feet