Significant figures is what I'm talking about. The entire point of them is to prevent spurious precision. How do you record a measurement of 3/4 precise to 1/4 using sig figs?

You can't do .75 because that's implying a precision 25 times greater than the measurement.

You can't do .8 because that's implying a precision that's still 2.5 times more precise than the measurement.

So it's 1.