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Yes.

0.3 may be exactly 0.3000000 (etc), it may not.

0.30 shows that there are *no* smaller numbers follwing the terminal zero, so 0.30 *is* 0.3 *exactly*.

Tip: *do not* just add a terminal zero if you cannot jusify the precision. A measurment of 0.30 inches ( or cm, mm, whatever) implies a measurment that is *totally* accurate, down to the wavelength of light and beyond!

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14y ago
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Q: Is there a mathematical difference between 0.3 and 0.30?
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