Question

Nicole _ the whole cake eathad eatatehas eaten​

Answer 1

Has eaten скорее всего, ибо нет четкого указания на время, предшествия и регулярности

Answer 2

It seems like your message is incomplete or contains some typographical errors. It appears you're trying to convey that someone named Nicole ate an entire cake. The correct sentence would be:

"Nicole ate the whole cake."

If you have any specific questions or need further assistance, please provide more context or details, and I'll be happy to help.