If each day a tree loses half its remaining leaves, what fraction…

If each day a tree loses half its remaining leaves, what fraction of its leaves will it have lost after 7 days ?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #57500