Compound sentences

AliNateghi

Hi
Is the following a simple or a compound sentence? 
The man went up to the 86th floor and jumped.

zuixchilli

For a sentence to be compound it needs at least two complete, independent sentences with a meaning of their own, a subject and a verb.
In your example, the sentence is simple. A compound sentence would be, for example: "The man went up to the 86th floor, and he jumped". In which case you would need a comma and coordinating conjunction (and).

I hope this helps.