A shipping box has a length of 7.00 in., a width of 6.00 in., and a height of 4.00 in.
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b. What is the width of the box, in centimeters?

Calcium citrate, Ca(C₆H₅O₇)₂(MW = 498.5 amu), is a common dietary supplement to provide calcium needed for strong teeth and bones.

a. Look up the recommended daily dietary intake of calcium for adult men and premenopausal women.

The white blood cell concentration in normal blood is approximately 12,000 cells/mm³ of blood. How many white blood cells does a normal adult with 5 L of blood have? Express the answer in scientific notation.

Obtain a package of your favorite snack food and examine the nutritional information on the label. Confirm the caloric value listed by using the conversions listed in the table in the Chemistry in Action feature 'Energy from Food' (p. 191). Alternatively, you can use the estimates for caloric value for a given food as provided in the table.

b. How long would you have to engage in each of the physical activities to burn the calories contained in your snack?

The length of this rug is 38.4 in. and the width is 24.2 in.

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d. Calculate the area of the rug, in square centimeters, to the correct number of significant figures. (Area = Length x Width)

A shipping box has a length of 7.00 in., a width of 6.00 in., and a height of 4.00 in.

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a. What is the length of the box, in centimeters?

Gemstones are weighed in carats, where 1 carat = 200 mg exactly. What is the mass in grams of the Hope diamond, the world's largest blue diamond, at 44.4 carats?

In France, grapes are 1.95 euros per kilogram. What is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro?

In Mexico, avocados are 48 pesos per kilogram. What is the cost, in cents, of an avocado that weighs 0.45 lb if the exchange rate is 18 pesos to the dollar?