state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Physics Units, Dimensions and Measurements Significant figures and Decimal Places
A thin wire has a length of 20.7 cm and a radius of 0.47 mm. The volume of the wire after rounding of and up to the correct significant figures will be-
1
0.1 cm3
2
0.14 cm3
3
0.143 cm3
4
0.1437 cm3
5
Question Not Attempted