Ten of them.
123. 1230/10 = 123.
Ten of them.
once as 10x10=100
790
Two groups of five is ten
The digit 5 represents 5000 Each 1000 = 100 x 10 So 5000 = 500 x 10........there are thus 500 groups of 10.
There are ten such numbers.
A century ... 10 x 10 = 100.
there are 10 groups of 10
Ten.
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