Ten of them.
10
16
100
once as 10x10=100
If you have ten, ten dollar bills you will have one hundred dollars. If you have 100 ten dollar bills, you will have 100 ten dollar bills...
Ten of them because 10 times 10 equals 100
Two groups of five is ten
You need ten tens to make 100 :D
A century ... 10 x 10 = 100.
there are 10 groups of 10
Your Mother
Ten ! 10 x 100,000 = 1,000,000 !