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

1 point Express the ratio in the lowest terms. 25 : 75

1 point Perform the indicated operations using the laws of exponents.  Express the result using a single non-negative exponent of 10.

1 point Perform the indicated operations.

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

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 What is the alternator-to-engine drive ratio if the alternator turns at 1500 rpm when the engine is idling at 500 rpm?

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.]

1 point Round the following number to four significant digits. 1,662,403  

1 point Perform the indicated operation and simplify it.