Choose the One Alternative That Best Completes the Statement or Answers

question 41

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-A sample of 650 grams of radioactive substance decays according to the function $\mathrm { A } ( \mathrm { t } ) = 650 \mathrm { e } ^ { - .038 \mathrm { t } }$ , where $t$ is the time in years. How much of the substance will be left in the sample after 20 years? Round your answer to the nearest whole gram.

• A) \(304 \mathrm {~g}\)
• B) \(294 \mathrm {~g}\)
• C) \(1 \mathrm {~g}\)
• D) \(0 \mathrm {~g}\)

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Definitions:

Emotional Trauma

Psychological damage that occurs as a result of a severely distressing event, often leading to long-term stress and anxiety.

Civilian Life

The lifestyle of individuals who are not active members of the military, police, or any other uniformed services.

Military

The armed forces of a country, responsible for defending it against external threats and maintaining internal order.

Incarcerated

Refers to being confined in a prison or jail.