Phosphorus-32 Has a Half-Life of 14

question 1

Multiple Choice

Phosphorus-32 has a half-life of 14.3 days.How many grams remain from a 10.0 gram sample after 30.0 days?

• A)2.34 g
• B)7.18 g
• C)4.64 g
• D)0.340 g
• E)3.59 g

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Definitions:

Dairy Margin Protection Program

A federal program in the United States designed to protect dairy producers when the margin between milk prices and feed costs falls below a certain level.

Agricultural Act

Legislation concerning the agricultural sector, typically involving policies on farming, subsidies, crop insurance, and food safety, among other areas.

Marketing Loan Program

A federal farm subsidy under which certain farmers can receive a loan (on a per-unit-of-output basis) to plant a crop and then, depending on the harvest price of the crop, either pay back the loan with interest or keep the loan proceeds while forfeiting their harvested crop to the lender.

Food, Conservation, and Energy Act

A comprehensive U.S. law enacted periodically that covers a wide range of agricultural and food programs, including farm subsidies, nutrition assistance, and land conservation efforts.