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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`. Its volume upto correct significant figures is

A

`1.7 xx 10^(-6) m^(3)`

B

`1.70 xx 10^(-6) m^(3)`

C

`1.70 xx 10^(-7) m^(3)`

D

`1.78 xx 10^(-6) m^(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
`V=a^(3)=(1.2xx10^(-2))^(3)=1.728xx10^(-6)m^(3)`
`=1.7 xx10^(-6)m^(3)`
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Knowledge Check

  • 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
    `1.78xx10^(-6)m^(3)`
    D
    `1.732xx10^(-6)m^(3)`

  • The radius of a sphere is 1.41 . its volume to an appropring number of significant figure is

    A
    `11.73cm^(3)`
    B
    `11.736cm^(3)`
    C
    `11.7cm^(3)`
    D
    `117cm^(3)`

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