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If L = 2.01 m pm 0.01 m , what is 3 L ?...

If L = 2.01 m `pm` 0.01 m , what is 3 L ?

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Here, we should equate 3L with
`(L + L + L)` to find out the absoulte error in 3L.
Thus 3L `(3 xx 2.01) m pm 3 xx 0.01 m`
`= 6.03 m pm 0.03 m`.
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AAKASH SERIES-UNITS AND MEASUREMENT-PRACTICE EXERCISE
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