The Graph Shows the Activity as a Function of Time

question 74

Multiple Choice

The graph shows the activity as a function of time for a radioisotope. The half-life of this particular radioisotope is approximately

• A) 5 h
• B) 4 h
• C) 8 h
• D) 20 h
• E) 10 h

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Definitions:

Collect Like Terms

The method in algebra which involves merging terms that possess identical variables elevated to the same exponent.

Operation Indicated

The execution of a computational or algebraic process as prescribed by mathematical or operational signs.

Collect Like Terms

A mathematical process of combining terms in an algebraic expression that have the same variables raised to the same power.

Operation Indicated

Refers to carrying out the arithmetic or mathematical operation that a particular problem or equation specifies.