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A cube has a side of length 1.2xx10^(-2)...

A cube has a side of length `1.2xx10^(-2)m`. Calculate its volume

A

`1.7xx10^(-6)m^(3)`

B

`1.73xx10^(-6)m^(3)`

C

`1.70xx10^(-6)m^(3)`

D

`1.732xx10^(-6)m^(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
`a= 1.2xx10^(-2)` (two significant digits)
Volume `=a^(3)= 1.728xx10^(-6)m^(3)`
Result of volume must have two significant figure.
`a^(3)= 1.7xx10^(-8)m^(3)`
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MODERN PUBLICATION-UNITS AND MEASUREMENT-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) (MCQs) (AIPMT/NEET OTHER STATE BOARDS FOR MEDICAL ENTRANCE)
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  13. If the dimensions of a physical quantity are given by M^(a)L^(b)T^(c)...

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