Question: If a certain EDM instrument has an accuracy capability of (1mm + 2 ppm), what is the precision of measurements, in terms of parts-per-million, for

If a certain EDM instrument has an accuracy capability of ±(1mm + 2 ppm), what is the precision of measurements, in terms of parts-per-million, for line lengths of:
(a) 30.000 m
(b) 300.000 m
(c) 3000.000 m (Assume that the instrument and target miscentering errors are equal to zero.)

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