Significant digits are digits that provide useful information, for instance 123 has 3 significant digits and 30010 has 4 significant digits. So basically zeros aren't significant unless they are between two other numbers. 0.1020 has only 4 significant digits.
A+: 4
0.0010 has 2 significant digits.
3 significant figures.
4 significant figures.
3 significant figures
four
8
2
Four
It has 4 significant figures.0.007080 has four significant digits.
Four - zeros between significant digits are significant.
The number 7380 has three significant figures. The zero is not significant because it is not followed by a decimal point.
Non-zero digits are always significant, so the number 12 has two significant figures.
2 significant figures.
Three significant digits.
This number has seven significant digits.
All four of the digits given are significant digits.
There are two significant digits in the number 83.
1,071 has four significant digits.
All numbers which are not "zero" are classed as significant digits. Therefore in the number 129 there will be three digits which are classed as significant.
Two. All nonzero digits are significant.
There are 2 significant digits: 5 and 4
All the digits are significant, so there are 5 significant digits.
There are 5 significant digits in number 14500. To count for a given number as to how many significant digits does it have, look for the first zero form left and decimal point. For ex sample 0045 has 2 significant digits 0.0045 has 2 significant digits 0.4500 has 4 significant digits.
Three: The first two zeros are not significant digits.
0.00909 has three significant digits.