Physics

[PBI]

In that case, yes, your formulae appear to be correct to me.

I assume you know the best method for checking whether you've done a question right, i.e. do you get a sensible answer? In this case your answer is a Venusian year of about 2/3 of an Earth year, which sounds sensible. If you'd got a value of 20 seconds, that's a sign you need to start looking for your mistake. Sounds obvious but you'd be amazed how many lab books I mark with people happily concluding that the Earth weighs about a gram or has a radius of several light years.

Good luck with your test.

PS You really don't need to quote numbers to that many decimal places. A good rule of thumb is about 2 or 3 dp or sf, whichever seems more sensible.