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For example, if on average, your measurements for a given substance are close to the known value, but the measurements are far from each other, then you have accuracy without precision.

- All nonzero digits are significant.
- Zeros are also significant with two exceptions:
- zeros preceding the decimal point.
- zeros following the decimal point and preceding the first nonzero digit.

- Terminal zeros preceding the decimal point in amounts greater than one is an ambiguous case.

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Scientific Notation of a Number

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Operations on Scientific Notation of a Number

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