Three. All nonzero digits are significant.
Three - all nonzero digits are significant.
3 significant figures.
Three - all non-zero numbers are significant.
Three
4
Five. All nonzero digits are significant and zeros in between significant digits are significant.
It has two significant digits.
3 significant digits.
It has 3 significant digits.
4 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.