<h3>The surface area of a piece of paper is

</h3>
<em><u>Solution:</u></em>
surface area of a piece of paper = 137 sq cm
<em><u>Use the fact that 10 mm = 1 cm to convert this area to mm^2</u></em>

Then,

<em><u>Convert 137 sq cm to sq mm</u></em>

Thus, surface area of a piece of paper is 
There are two so I'll give you the answer to both! 4,000 and 400
Answer:
Jennifer would save $0.25 per ounce.
Step-by-step explanation:
With the 32-ounce jar, the price per ounce is $0.25 per ounce. With the 8-ounce jar, the price is $0.50 per ounce. Jennifer would do better to buy the 32-ounce jar, as she would save $0.25 per ounce with that choice.