We can define 234 either as (23)4 or as 2(34) . Does it make any difference?

Now calculate (√(2)√(2))√(2) and √(2)(√(2)√(2)) and answer the following question for both definitions.

Which number is the biggest
√(2)√(2)√(2)√(2)...

where the powers of root 2 go on for ever, or
(√(2)√(2))√(2) ?