I know what I believe you to be talking about by another name: Significant figures.
Significant figures like decimal points, but they are measured from the front of a number e.g.
3.1234567 to 4 significant figures would be:
3.123
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.
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.
Four - zeros between significant digits are significant.
When multiplying numbers with significant digits, count the total number of significant digits in each number being multiplied. The result should have the same number of significant digits as the number with the fewest significant digits. Round the final answer to that number of significant digits.
to 1 significant digit: 8000 2 significant digits: 7700 3 significant digits: 7660 4 significant digits: 7656. 5 significant digits: 7656.0 6 significant digits: 7656.00 and so on and so forth for forever..........
It has two significant digits.
It has 3 significant digits.
3 significant digits.
No, it has 3 significant digits.
The 1st four digits are significant