150.
There are 1500/10 = 150
I think you mean HOW many tens make 900, so the answer is 90
100 tens make up 1000
It takes 34 tens to make 340.
10x10=100Ten tens make one-hundred.
sixty 600 / 10 = 60
You need ten tens to make 100 :D
Two tens plus six tens equals eight tens
10
100
3
60