dim analysis

Which conversion factor would be needed?

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How many seconds are there in one day?

• 86,400 seconds

• 60,000 seconds

• 72,000 seconds

• 24,000 seconds

How many inches are there in one mile?

• 63,360 inches

• 5,280 inches

• 1,760 inches

• 32,000 inches

If 450 mg of penicillin is required for every 80 lb of body mass, how many milligrams of penicillin would a 100 lb teenager need to take for strep throat?

• A) 450 mg

• B) 562.5 mg

• C) 675 mg

• D) 100 mg

How many miles will a person run during a 10.0 kilometer race?

• 6.2 miles

• 6.21 miles

• 1.61 miles

• 1.6 miles

How many minutes are in a school year, 187 days?

• 269,280 min.

• 16, 200 min.

• 16, 156 min.

• 269,000 min.

Because our goal in life is to make other people better, you get paid $5.00 every time you do something nice for someone else. You do a minimum of 25 nice things everyday for 1 year. How much money would you make a year?

• $45, 625

• $1,820

• $1,826

• $45,600

A 12-ounce bottle of shampoo lasts Enrique 16 weeks. How long would you expect an 18-ounce bottle of the same brand to last him?

• 24 Weeks
• 24-ounce bottle
• 10.6 Weeks
• 10.6-ounce bottle

Choose the correct conversion factor and answer for this conversion:
 $8,203\ mL\ \times\ \frac{1\ L}{1000\ mL}\ \times\ \ \ \ \ \ \ ?\ \ \ \ \ \ \ \ =\ \ \ \ ?$                  

•  $\frac{3.7854\ gal}{1\ L}\ =\ 31.05\ gal$  

•  $\frac{3.7854\ L}{1\ gal}\ =\ 31.05\ gal$  

•  $\frac{1\ gal}{3.7854\ L}\ =\ 2.167\ gal$  

Which of the following processes is correct.

• $0.006810\ lbs\ \times\ \frac{453.59\ g}{1\ lb}\ \times\ \frac{1000\ mg}{1\ g}\ =\ 3088\ mg$

• $925\ mile\ \times\ \frac{1\ mile}{5280\ feet}\ \times\ \frac{1.6093\ km}{1\ mile}\ =\ 0.282\ km$

• $68.5\ fl\ oz\ \times\ \frac{1\ gal}{32\ fl\ oz}\ \times\ \frac{3.7854\ L}{1\ gal}\ =\ 8.10\ L$