Stem|leaf data: 11 12 13 21 22 23
1|1 2 3
2| 1 2 3
You're basically just splitting the numbers up. Tens in the stem row and ones in the leaf row. I hope this helps you!
Answer:
Its a triangle .And the question says triangular
6 - hundred thousand
1 - ten thousands
2 - thousands
3 - hundred
0 - tens
0 - ones
600,000 + 10,000 + 2,000 + 300