We already have a permanently inhabited base outside Earth (ISS) with effectively zero gravity and there might be one on the Moon or Mars in 100 years. We should pass treaties to only use metric in space – a probe has been lost to unit confusion already.

I’d say it’s more of a “small yes” than a “big nope.”

While gravity does vary, it goes from about 9.76 to about 9.83.

All of which does, in fact, round to 9.8