It is 0.6
There need no be any estimated digit.
It is always the last digit.
0.503..the 3
The 7
Your measurement should include one estimated digit.
the estimated digit in 0.0782m is?
There need no be any estimated digit.
.0635 pounds = 1.01600 ounces
The last digit is always the estimated digit in a number
There need not be any estimated digit but, if there must be one, then it is the last digit: 3.
500
There need not be any estimated digit: there could well be exactly 4500.
0635 metres, no matter where the decimal point goes as 6cm is 0.06m
It is always the last digit.
.0002 is the estimated number
It is 0.08 M
It is the zero at the end.