VTMO 2026 - Grade 7 - Semifinal - SET 5 - Self-study Question 8

VTMO · VTMO 2026 - Grade 7 - Semifinal - SET 5 - Self-study

Question 8

What is the units digit of $5^5\times7^7\times9^9\times11^{11}$?

1. $0$
2. $1$
3. $3$
4. $5$
5. $7$