You can put this solution on YOUR website! 0.9 is rounded to the nearest tenth.
Usually there is an additional integer to the right of the tenth position when rounding thus:
.943 rounded to the nearest tenth=.9 (rule: if integer to the is 0 to 4 = no change and zero all integers to the right of the position rounded.)
.97 rounded to the nearest tenth=1.0 (rule: if integer to the right is 5 to 9 then add one and zero all integers to the right of the position rounded.)