Convert the number in the sentence to standard notation.The average distance from Mars to the Sun is 227.9 million kilometers.
A. 227,009,000 km
B. 227,000,900,000 km
C. 227,090,000 km
D. 227,900,000 km
Answer: D
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Set up the iterated integral for evaluating 
over the given region D. DD is the right circular cylinder whose base is the circle 
in the xy-plane and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Write out all the terms of the series.
A. 3x + 4x2 + 5x3 + 6x4 B. 3x + 4x + 5x + 6x C. 2x + 3x + 4x + 5x D. 2x + 3x + 4x + 5x + . . .
Solve the problem.Tom Quig traveled 240 miles east of St. Louis. For most of the trip he averaged 60 mph, but for one period of time he was slowed to 20 mph due to a major accident. If the total time of travel was 8 hours, how many miles did he drive at the reduced speed?
A. 130 miles B. 120 miles C. 140 miles D. 115 miles
First round each number to one non-zero digit. Then perform the calculation using the rounded numbers to obtain an estimate.80.6 ÷ (15.5)
A. estimate: 5.2 B. estimate: 4.5 C. estimate: 5 D. estimate: 4