The Measurement Is $77 \overline { 0 } 0$ Km Find the Precision and the Greatest Possible Error of Find

The measurement is $77 \overline { 0 } 0$ km. Find the precision and the greatest possible error of the measurement.

A) The precision of the measurement is 10 km. The greatest possible error of the measurement is 5 km.
B) The precision of the measurement is 10 km. The greatest possible error of measurement is 50 km.
C) The precision of the measurement is 5 km. The greatest possible error of the measurement is 10 km.
D) The precision of the measurement is 0.5 km. The greatest possible error of the measurement is 1 km.
E) The precision of the measurement is 1 km. The greatest possible error of measurement is 0.5 km.