VTMO 2026 - Grade 8 - Semifinal - SET 07 - Self-study Question 23

VTMO · VTMO 2026 - Grade 8 - Semifinal - SET 07 - Self-study

Question 23

Evaluate $2^{2021}-2^{2020}-2^{2019}-\cdots-2-1$.

1. 1
2. -1
3. 2020
4. -2020
5. 0