VTMO 2026 - Grade 6 - Semifinal - SET 6 - Self-study Question 23

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

Question 23

How many odd natural numbers $x$ satisfy $1\le3^x<243$?

1. 2
2. 3
3. 4
4. 5
5. 6