Just a suggestion. After this word is learned, from them on the green "Correct" box that comes up for correct answers, can be in Chinese, along with bu dui
Yes. Including 的 at the end of the translation justifies that the statement contains the adjective, which avoids ambiguity in meaning.
Another word for "correct" is 正確的/正确的.
To ask, "Am I correct?" would I say, "我是对吗?" Or is there a certain rule of grammar that I haven't learned yet?