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2700.<br />
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The original (2700) had 2 significant figures and a least significant decimal of 2.<br />
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The new format (2700.) has 4 significant figures and a least significant decimal of 0.
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2700.

The original (2700) had 2 significant figures and a least significant decimal of 2.

The new format (2700.) has 4 significant figures and a least significant decimal of 0.

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Note: Don't forget the decimal
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2.7e3 has Two significnat digits. &nbsp;My question is why 2? &nbsp;why not 4?
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2.7e3 has Two significnat digits.  My question is why 2?  why not 4?

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Introductory chapter of University Physics book says there are Two significant digits in 2700. &nbsp;Why Two? &nbsp;Shouldn't it be Four?
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Introductory chapter of University Physics book says there are Two significant digits in 2700.  Why Two?  Shouldn't it be Four?

How many significant digits does 2700 have?

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