3 significant figures.
Five. All nonzero digits are significant and zeros in between significant digits are significant.
Three significant digits.
This number has seven significant digits.
There are five significant digits.
3 significant figures.
3 of them.
Four of the zeros are significant... the two zeros after the digit 5 0 are simply 'place fillers'.
4
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 significant.
Three, four or five. Integers ending in 0 are ambiguous cases.
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.