The dimensions of a rectangular block measured with an instrument having least count 0.01 cm is 4.0 mm × 10.0 mm × 10.0 mm. The maximum percentage error in the measurement of volume of the block is
a) 0.45%
b) 0.045%
c) 4.5%
d) 0.54%
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Answer:
(b) 0.045%
Explanation:
0.01cm
________________ ×100
4mm×10mm×10mm
0.1mm
= ______ ×100
400mm
0.1mm
= ______
4mm
1mm
= _______
4mm×10
1mm
= ______
40mm
= 0.045%
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