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If L=2.01m+-0.01m what is 3L?...

If `L=2.01m+-0.01m ` what is 3L?

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Here, we should equate 3I. with (L+L+L) to find out the absolute eror in 3L .
Thus `3L= (3 xx 2.01) m pm 3xx 0.01 m `
`=6.03 m pm 0.03 m` .
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