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3. Any number that is not a 0 is a significant number.

Rules for Significant Figures:

1. Non-zero numbers are always significant. (example: 1-9)

2. Zeroes between non-zeroes are always significant. (ex: the zero in 908 is significant)

3. All final zeroes to the far right of the decimal place are significant. (ex: the zeroes in 34.0 and 7.0 is significant)

4. Zeroes that act as place holders are not significant. (ex: the zeroes in 600 are not significant)

5. Zeroes before a decimal act as place holders and are not significant. (ex. the zero in 0.12 is not significant)

Q: How many significant digits are there in 0.321?

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4 significant digits.

Five. All nonzero digits are significant and zeros in between significant digits are always significant.

Five. All nonzero digits are significant and zeros in between significant digits are always significant.

5 significant digits.

There are 4 significant digits in 5600.

Related questions

4

It has two significant digits.

3 significant digits.

It has 3 significant digits.

4 significant digits.

Five. All nonzero digits are significant and zeros in between significant digits are significant.

Five. All nonzero digits are significant and zeros in between significant digits are always significant.

000203 has 3 significant digits.

Three significant digits.

There are 3 significant digits in 20.0