<span>Hello there, and thank you for posting your question here on brainly.
<em><u /></em><span><em><u>Short answer: 2.54</u></em>
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Why?
</span>No explanation needed.
Hope this helped you! ♥
I would recommend <span>C)Organic compounds always contain carbon and hydrogen.</span>
If n=1 you divide by 2
If n=2 you divide by 4
If n=3 you divide by 8
so any n you divide by 2 to the power n