Enough, Sufficient, Plenty
な adjective, adverb
You have ten parts out of ten. Which means you have quite enough. The amount you have is sufficient and plenty.
じゅうぶん
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
あなたは十分がんばりました！
You have worked hard enough!
ここには十分なスペースがありません。
There is not enough space here.
十分に考えたんですか？
Have you thought this through enough?