Let Q Represent a Mass of Radioactive Radium (²²⁶Ra) (In $Q = 5 \left( \frac { 1 } { 2 } \right) ^ { t / 1599 }$

question 61

Multiple Choice

Let Q represent a mass of radioactive radium (²²⁶Ra) (in grams) , whose half-life is 1599 years.The quantity of radium present after t years is $Q = 5 \left( \frac { 1 } { 2 } \right) ^ { t / 1599 }$ Determine the quantity present after 300 years.Round to the nearest hundredth of a gram.

• A)0 g
• B)0.47 g
• C)5.00 g
• D)4.39 g
• E)0.88 g

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Material Culture

The physical objects, resources, and spaces that people use to define their culture, including buildings, artifacts, tools, and artwork.

Subculture

A cultural group within a larger culture, often having beliefs or interests at variance with those of the larger culture.

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