How do you write fourteen and seven tenths squared in all three forms?

Not sure what the three forms are but here are some forms
note: pemdas, so parenthasees () are always first, work from inside the praenthasees to out
14 and 7/10 squared could mean:
(14 and 7/10)^2
14 and [(7/10)^2]
14 and 7/(10^2)