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Reference Sheet
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86
Mark for Review
A scientist is using a sample of Technetium-99m with
23
-tera atoms. The number of Technetium-99 m's tera atoms decays in half every
6
hours. Which of the following functions
T
gives the number of tera-atoms
n
days from now?
A
T
(
n
)
=
23
(
2
)
4
n
Check
B
T
(
n
)
=
23
(
3
)
n
/4
Check
C
T
(
n
)
=
23
(
1/2
)
4
n
Check
D
T
(
n
)
=
23
(
1/2
)
n
/4
Check