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Solve with due regards to significant fi...

Solve with due regards to significant figures
`4.0 xx (10^-4) - 2.5 xx 10^(-6)`.

Text Solution

Verified by Experts

The correct Answer is:
A, D
`(4.0 xx 10^(-4)) - (0.025 xx 10^-4)`
`= 4.025 xx 10^(-4)`
`=4.0 xx 10^(-4)`
upto one decimal place.
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Knowledge Check

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