Suppose You Start with 1 Kilogram of a Radioactive Substance

question 45

Multiple Choice

Suppose you start with 1 kilogram of a radioactive substance that has a half-life of 10 years.Which of the following statements will be true after 20 years pass?

• A)You'll have 0.25 kilogram of the radioactive substance remaining.
• B)All the material will have completely decayed.
• C)You'll have 0.75 kilogram of the radioactive substance remaining.
• D)You'll have 0.5 kilogram of the radioactive substance remaining.

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Definitions:

Concern for Aspirations

The attention or regard given to understanding and valuing someone's hopes, dreams, or goals.

Perception of Common Ground

The understanding or belief shared among individuals or groups regarding mutual interests or values.

Probability

The likelihood or chance of an event happening, often expressed as a number between 0 and 1.

Surviving

The act of continuing to live or exist, especially in spite of difficult conditions or circumstances.