Thousands of runners come to the Boston Marathon to run in its famous event each year. The Boston Marathon course is 46,145 yards long. What is the best estimate of the length of the course in feet?
A. 5.5x10^5
B. 1.66x10^7
C. 1.38x10^5
D. 1.78x10^5
B. 1.66x10^7
To convert 46,145 yards to feet, you would multiply by 3 (since there are 3 feet in a yard).
46,145 yards * 3 feet/yard = 138,435 feet
Therefore, the best estimate of the length of the Boston Marathon course in feet is 1.66x10^5 feet.