Four - zeros between significant digits are significant.
Only 1004.
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.
4 significant digits.
It has two significant digits.
The 1st four digits are significant
3 significant digits.
It has 3 significant digits.
It has 6 significant digits.
No, it has 3 significant digits.