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2 points An airport runway is 3 miles long.  How long is it in (a) feet and (b) yards?  [Hint: 1 mile = 5280 feet and 3 ft = 1 yard]

1 point Change 6.5 km to m.  [Hint: 1 km = 1,000 m]

1 point The radius of a gear is 20.0 cm. It turns through an angle of 240.0°. What is the distance a point travels on the surface of the gear (in cm)? (Round your answer to three significant digits.)

1 point Round 0.000337567 to four significant digits.

1 point Classify the angle as acute, right, or obtuse.

1 point Find the measure of the unknown angle

2 points Express the ratio in the lowest terms in fraction form.  [Hint: 1 ft = 12 in] :

1 point Find the circumference of a circle, whose diameter is 28 cm.  [Hint: Use  

1 point How many degrees are in an angle that measures (6π/5) radians?

1 point Write the number in scientific notation.