Question 10

Complete the following calculation and report your answer with the correct number of significant figures.

(307.704 - 146.8) 6.3

Your Answer:

Question 10 options:

Answer

Question 12

You invent a new unit system called the Blerg Unit System. The relationship between your unit system and other units are summarized below:

1 blah = 1.305 meters

1 blop = 3.35 pounds

1 kapow = 14.0 liters

1 pound = 453.59 grams

You decide to convert all of your daily measurements to your new units. Assume you eat a steak weighing 454.3 g. Convert this weight to blops and report your answer with the correct number of significant figures. [Hint: you may not need all of the above unit conversions.]

Your Answer:

Question 12 options:

Answer	units

Question 13

You are moving from a country that primarily uses the Kelvin scale to one that uses the Celsius scale. You are practicing to get used to the new temperature scale. You measure the temperature of some water and find that it is 501 K. What is this temperature in degrees Celsius?

Your Answer:

Question 13 options:

Answer	units

Question 14

Let's practice the metric system! Convert (1.7x10^2) kilowatts (kW) to gigawatts (GW). Express your answer below in scientific notation.

Note: Your answer is assumed to be reduced to the highest power possible.

Your Answer:

Question 14 options:

	x10
Answer			units

Question 15

You find an unknown solid and determine that it has a density of 19.4 g/cm³. Assume you find another block of it with a mass of 1.03 kg. What is the volume (in cm³) of the block?

Show your work

Your Answer:

Question 15 options:

Answer	units

Question 16

You invent a new unit system called the Whoosh Unit System. The relationship between your unit system and other units are summarized below:

1 weep = 382.0 meters

1 wooly = 8.40 pounds

1 kettle = 12.8 liters

1 pound = 453.59 grams

You decide to convert all of your daily measurements to your new units. You investigate a substance in the lab and find that it has a density of 80.7 g/L. Convert this density to units of wooly/kettle. [Hint: you may not need all of the above unit conversions.]

Your Answer:

Question 16 options:

Answer	units

Question 17

You need to install new siding on your house and are measuring the total area of the exterior. You find that your home has a total exterior area of 2,914.0 ft². What is this area in m²?

1 m= 3.28 ft

Your Answer:

Question 17 options:

Answer	units

SHOW your work with correct sig figs