What is the fraction remaining of a sample that is 5 half lives old?

The fraction remaining of a sample that is 5 half lives old is 0.03125.

Explanation:

So, it will decay as:

1.0 → (first half life) 0.5 → (second half-life) 0.25 → (third half-life) 0.125 → (fourth half-life) 0.0625 → (fifth half-life) 0.03125.

So, the rraction remaining of a sample that is 5 half lives old is 0.03125.

there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

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