Answer:
1 g
Explanation:
The half-life of Am-242 (16 h) is the time it takes for half of it to disappear.
We can make a table of the mass left after each half-life.

The mass remaining after 48 h is 1 g.
Answer:
See explaination
Explanation:
Please kindly check attachment for the step by step solution of the given problem.
Answer: permanent removal of hair by energy or heat
Explanation:
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