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A length is measured as 21 cm correct to 2 significant figures. a) What is the lower bound for the length? b) What is the upper bound for the length?

A length is measured as 21 cm correct to 2 significant figures. a) What is the lower bound for the length? b) What is the upper bound for the length?
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A length is measured as 21 cm correct to 2 significant figures. a) What is the lower bound for the length? b) What is the upper bound for the length?

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User Chris Buck
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1 Answer

2 votes
lets say 20.4 it would round down to 20 not 21.

The lower bound length is 20.5
The upper bound length is 21.5
[20.5,21.5)
answered
User Roberto Polli
by
7.4k points
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