Blog

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.]

1 point Round the following number to the nearest ten. 1,785,692