A Sample of 400 Grams of Radioactive Substance Decays According $\mathrm { A } ( \mathrm { t } ) = 400 \mathrm { e } ^ { - .035 \mathrm { t } }$

question 388

Multiple Choice

A sample of 400 grams of radioactive substance decays according to the function $\mathrm { A } ( \mathrm { t } ) = 400 \mathrm { e } ^ { - .035 \mathrm { t } }$ , where t is the time in years. How much of the substance will be left in the sample after 10 years? Round your answer to the
Nearest whole gram.

• A) 0 g
• B) 12 g
• C) 1 g
• D) 282 g

---

Definitions:

Business Opportunity

A business idea or investment that has the potential to yield returns and become profitable.

Classic Entrepreneurs

Traditional or foundational entrepreneurs who start and build businesses from scratch, typically focusing on innovation, job creation, and economic contribution.

Succession

The process of transferring ownership, management, and operational responsibilities to the next generation or chosen successors in a business or organization.

Social Entrepreneur

An individual who starts innovative businesses with the aim to solve social problems and improve society, often with a focus on sustainability and social justice.