Solve the Problem $y = 7000 ( 2 ) ^ { - 0.2 t }.$

question 197

Multiple Choice

Solve the problem.
-The amount of a radioactive substance present, in grams, at time t in months is given by the formula $y = 7000 ( 2 ) ^ { - 0.2 t }.$ Find the number Find the numberof grams present in 3 years. If necessary, round to three decimal places.

• A)4.761
• B)461.828
• C)4618.278
• D)47.608

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Definitions:

Republican National Convention

A political convention held every four years by the Republican Party of the United States to nominate a candidate for President and Vice President and adopt the party's platform.

Law and Order

A principle of governance centered on legal constraint, enforcement of law, and the maintenance of public order.

Hart-Celler Act

The Immigration and Nationality Act of 1965, which abolished national-origins quotas and significantly changed American immigration policy.