Let Q Represent a Mass of Radioactive Plutonium $\left( { } ^ { 239 } \mathrm { Pu } \right)$

question 28

Multiple Choice

Let Q represent a mass of radioactive plutonium $\left( { } ^ { 239 } \mathrm { Pu } \right)$ (in grams) ,whose half life is 24,100 years.The quantity of plutonium present after t years is $Q = 16 \left( \frac { 1 } { 2 } \right) ^ { t / 24,100 }$ .Determine the quantity present after 67,000 years.Round your answer to one decimal place. ​

• A)4.3 g
• B)3.3 g
• C)5.3 g
• D)2.3 g
• E)6.3 g

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Definitions:

Structured Types

Structured types are composite data types in programming that allow for the combination of multiple items of possibly different types into a single type.

Double-Precision Variable

A type of variable in programming that can store decimal numbers with double the precision of a float, allowing for more accurate calculations.

Scanf

A standard library function in C used to read formatted input from stdin.

LISP Language

A high-level programming language known for its symbolic expression processing, used extensively in artificial intelligence and computational linguistics.