When the, vernier scale used to measure a positive zero error of 0.4 mm during taking measurement, it was noted down that '0' of vernier scale lies between 8.4 cm and 8.5 cm. Vernier coincidence its '4', then find the correct value of measurement if least count is 0.01 cm given.
8.4 cm
8.45 cm
8.5 cm
zero
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