Complete the Table for the Radioactive Isotope A)Amount After 1000 Years

Complete the table for the radioactive isotope.Round your answer to two decimal places. $$\begin{array} { | c | c | c | c | } \hline \text { Isotope } & \begin{array} { c } \text { Half-life } \\\text { (years) }\end{array} & \text { Initial Quantity } & \begin{array} { c } \text { Amount after 1000 } \\\text { years }\end{array} \\\hline { } ^ { 226 } \mathrm { Ra } & 1599 & 5 g & --\\\hline\end{array}$$

A) Amount after 1000 years: $5.24 \mathrm {~g}$
B) Amount after 1000 years: $7.24 \mathrm {~g}$
C) Amount after 1000 years: $3.24 \mathrm {~g}$
D) Amount after 1000 years: $6.24 g$
E) Amount after 1000 years: $4.24 \mathrm {~g}$

Correct Answer:

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