Radium - $226$ has a half-life of $1600 \text { years }$ . Suppose we have a $300 \mathrm {~g}$ sample.
(a) Find a formula for the mass remaining after $ { t }$ years
b) How much of the sample remains after $200$ years?
c) After how long will only $20 \mathrm {~g}$ remain?

Question

Radium - $226$ has a half-life of $1600 \text { years }$ . Suppose we have a $300 \mathrm {~g}$ sample. 
(a) Find a formula for the mass remaining after $ { t }$ years
b) How much of the sample remains after $200$ years?
c) After how long will only $20 \mathrm {~g}$ remain?

Quizplus · Accepted Answer

The Answer of Radium - $226$ has a half-life of $1600 \text { years }$ . Suppose we have a $300 \mathrm {~g}$ sample. 
(a) Find a formula for the mass remaining after $ { t }$ years
b) How much of the sample remains after $200$ years?
c) After how long will only $20 \mathrm {~g}$ remain?

Radium - 226226226 Has a Half-Life Of 1600 years 1600 \text { years }1600 years

Radium - $226$ Has a Half-Life Of $1600 \text { years }$