VTMO 2026 - Grade 6 - Semifinal - SET 11 - Self-study Question 18

VTMO · VTMO 2026 - Grade 6 - Semifinal - SET 11 - Self-study

Question 18

Evaluate $1^{10}-1^{20}+1^{30}-1^{40}+\cdots+1^{90}-1^{100}$.

1. 0
2. -1
3. 1
4. 10
5. -10