easy, ten only has one zero at the back so all you have to do is just take away one zero which equals to 1600.
1000 tens
100 000 of them.
There are 23730000/10 = 2 373 000 tens.
How many tens or in 30,000
It is 300
30000
3 600
16.8 tens, or 16 tens with 8 left over.
16
Tens of billions.
87
There is one ten in 16 with a remainder of 6