100
One hundred thousand.
1,000,000/10 = 100,000 (a hundred thousand).
0 to the nearest hundred, for example.
If you are counting, just one. If you are dividing, there are 100.
15
6 = 100s or 6x102 3 = 10s or 3x101 8 = 1s or 8x100
40
1000 of them.
2
30000 of them.
3.2 of them.
One hundred percent of Antarctica is South -- and the populations of the sea birds and sea mammals that breed on the continent's beaches can number into the 10s of thousands.
Many
43.2 tens.
10000
85
342.5 tens.