three,
leading zeros are not significant
and trailing zeros are significant if there is a decimal.
trailing zeros are not significant if there is no decimal
zeros in the middle of numbers are significant
Five. All nonzero digits are significant and zeros in between significant digits are significant.
This number has seven significant digits.
Three significant digits.
There are five significant digits.
All four of the digits given are significant digits.
100000 000100 -------- 100100 --------
4
It has 3 significant digits.
3 significant digits.
It has two significant digits.
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.
Three significant digits.
50.4 has 3 significant digits.
There are 3 significant digits in 20.0