They are written as normal.
The significant digits of a number represent a count of digits and so are represented by an integer. Any integer can be written in fractional form.
Significant digits
It is 3.5
Five. All nonzero digits are significant and zeros in between significant digits are significant.
In scientific notation that number would be written as 7.080 x 10-3 and it would have four 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.
Five. All nonzero digits are significant and zeros in between significant digits are always significant.
Four - zeros between significant digits are significant.
As zeros after a decimal point are not normally written and one is written here, it must be significant; therefore there are 8 significant figures in 8000000.0
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..........