Answer :
It is 0.1 because the 2 is less than 5. if it is less than 5, it stays the same
[tex]0.123\\\\digit\ in\ the\ tenths\ place\ is\ \boxed1[/tex]
If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).
If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).
[tex]0.\underline{1}23\approx\boxed{0.1}[/tex]
If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).
If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).
[tex]0.\underline{1}23\approx\boxed{0.1}[/tex]
