Sig Fig Notes

Zeroes always represent significant digits.

Zeroes can serve as placeholders or as significant digits, depending on their position.

Zeroes are never significant in any measurement.

Zeroes only matter in whole numbers.

0

3

00

000

They are between non-zero numbers

They are trailing zeros after a decimal

They are leading zeros (placeholders)

They are part of the number's value

When they are in front of a non-zero number

When the number has a decimal written

When they are between non-zero numbers

When they are at the beginning of a number

1

2

3

4

They tell you the kind of tool used for measurement.

They are always equal to the number of digits in a number.

They are not important in scientific measurements.

They only apply to whole numbers.

0.00975

1,000,000.

4367.000

0.0000005

The answer should have as many significant figures as the measurement with the fewest significant figures.

Zeros at the end of a whole number without a decimal are not significant.

All nonzero digits are always significant.

When multiplying, you add the significant figures from each measurement.

Zeroes always represent significant digits.

Zeroes can serve as placeholders or significant digits depending on their position.

Zeroes are never significant in any measurement.

Zeroes are only used to separate whole numbers from decimals.