The correct option is D 5.776, 5.774, 5.771
The order for checking the values in a decimal is:
hundreds → tens → ones → tenths → hundredths → thousandths.
In the given decimal numbers, ones, tenths and hundredths places are same.
So, order will be decided depending upon the values in the thousandths place.
6>4>1
So, in decresing order, we have:
5.776, 5.774, 5.771