Quiz yourself

Question

How many digits does this number have? <img src="https://images.houseofmath.com/eyJidWNrZXQiOiJob20tZnJvbnRlbmQtYXNzZXRzIiwia2V5IjoiTWF0aCBWYXVsdC9QaWN0dXJlcy9OdW1iZXJzIGFuZCBRdWFudGl0aWVzL051bWJlcnMvVGFsbG9nbcOlbGluZ1RhbGxTaWZyZTIzYi5zdmciLCJlZGl0cyI6eyJyZXNpemUiOnsid2lkdGgiOjEyMDAsImhlaWdodCI6NjMwLCJmaXQiOiJjb3ZlciJ9LCJ0b0Zvcm1hdCI6InBuZyJ9fQ==" alt="1 ten rod, 7 unit blocks" />

Accepted Answer

2

Answer

3

Answer

4

Answer

1