Yes, TAKEAWAYS is a Scrabble word!

Letter values in Scrabble US: T 1, A 1, K 5, E 1, A 1, W 4, A 1, Y 4, S 1.

Is it a valid word?

TAKEAWAYS is a valid word in the official Scrabble dictionary (US) and the UK Scrabble Dictionary, but not in Words with Friends (ENABLE).

prepared food that is intended to be eaten off of the premises
a concession made by a labor union to a company that is trying to lower its expenditures
the act of taking the ball or puck away from the team on the offense (as by the interception of a pass)

Also: takeout food.