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For finding accurate volume of a pencil use a vernier calliper, which measures diameter up to two significant figures. For finding volume of a pencil you will need radius (r) and length (L) of the pencil. V = 3.14 r²L
Unless you have an extremely small house or an extremely large pencil a house has a greater volume than a pencil.
It is 69 cm³
10cm3
Metric ruler