Determine the place value of the digit 3 in the whole number.45,271,903
A. ones
B. hundreds
C. tens
D. ten-millions
Answer: A
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Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = 2yi + 3xj + 5z3k ; C: the portion of the plane 5x + 6y + 3z = 5 in the first quadrant
A. 
B. 1
C. - 
D. 0
Solve.The textbook for a history class costs $112. There are 32 students in the class. Find the total cost of the history books for the class.
A. $3584 B. $144 C. $3472 D. $3552
Solve the problem.The height h in feet of a frisbee thrown is given by 
, where x is the time traveled in seconds. The frisbee is released at a height of 
At what time will the height of the frisbee be 
again? (Round your answer to the nearest tenth of a second, if necessary.)
A. The height of the frisbee will never be 3 feet again. B. 10.1 sec C. 5.1 sec D. 12.5 sec
Subtract. Use borrowing, if necessary.
A. 331 B. 355 C. 5355 D. 351