Two groups of five is ten
Ten of them.
230/10 = 23
225 can be rounded to 230 : to the nearest ten.
It is: 230
230
Two groups of five is ten
Ten of them.
230
there are 10 groups of 10
It is 230 when rounded down.
230/10 = 23
225 can be rounded to 230 : to the nearest ten.
10
16
One thousand.
230