Determine the following answers to the correct number of sig figs:

a) What is the volume of 5.00 gal in mL?

b) Ketchup often contains 25% sugar by mass. How many grams of sugar are in 12.07oz of ketchup?

c) If the density of Styrofoam is 0.035 g/ml, how many liters of Styrofoam would weight 15.28 lbs?

Thank you for the opportunity to help you with your question!

(a) 1 gallon = 3.7854 litres

5 gallon = 5*3.7854 = 18.927 litres = 18927 milli-litres

(b) 1 oz = 28.3495 gms

12.07 oz = 12.07*28.3495 gms

Hence, sugar = (25/100)*12.07*28.3495 gms =85.544 gms

(c) 15.28 lbs = 15.28*453.6 gms

Hence, volume = 15.28*453.6/0.035 ml = 198028.8 ml = 198.0288 L

Thank you! :)

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