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2 points Find the perimeter (in cm) and use Heron’s formula to find the area (in cm2) of the triangle. (Use the rules of working with measurements. Round the area to the same accuracy as the least accurate measurement. Round the perimeter to the same precision as the least precise measurement.)

1 point Round the following number to four significant digits. 1,462,203

1 point The area of a circle is    Find its radius.  Round the answer to four significant digits.

1 point A patient is given 300 mL of IV glucose using a drop factor of 15 drops/mL. The flow rate is 25 drops/min. How long will it take (in hours) to infuse this IV? [Hint: 1 min = 60 sec]

1 point The area of a plot of land in the shape of a parallelogram is 37,500 ft2 .  The frontage along the road is 250 ft.  How deep is the lot? (Use the rules for working with measurements give your answer to the appropriate accuracy and/or precision.)                                                  250 ft

1 point Express the ratio in the lowest terms.  The ratio must be expressed as whole numbers.

3 points Given

2 points Use the rules for working with measurements to give your answer to the appropriate accuracy and/or precision.

1 point Perform the indicated operation and simplify it.

1 point An 15 V automotive coil has 600 turns of wire in the primary circuit.  The secondary voltage is 10,000 V.  How many secondary turns are in the coil?  [Hint: The ratio of secondary voltage to primary voltage equals the ratio of secondary turns to primary turns.]