4 significant figures.
8 significant figures.
All of them.
One. The leading zeroes are not significant.
The significant digits are: 3701; so there are four such digits in the measurement. These are the digits that convey the degree of precision included. Leading zeroes and trailing zeroes do not add such meaning.
There are 4 significant digits
There are seven (7) significant digits in 4032010.
5 significant figures.
4 significant figures.
8 significant figures.
Five
4
8 of them.
All of them.
One. The leading zeroes are not significant.
There are 6 significant digits in the measurement 589.040 newtons.
The significant digits are: 3701; so there are four such digits in the measurement. These are the digits that convey the degree of precision included. Leading zeroes and trailing zeroes do not add such meaning.