The fact that there is a trailing zero and the number is not given as 101.01 is indicative that the number is accurate to the nearest ten thousandths, not just the nearest hundredths. Therefore, it has seven significant digits.
All of them.
4
Four of them.
It has 3 sig. fig.
It has two significant digits.
It has 3 significant digits.
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.