The fact that there is a trailing zero and the number is not given as 970 is indicative that the number is accurate to the nearest tenths. Therefore, it has four significant figures.
4 of them.
4
It has two significant digits.
It has 3 significant digits.
It has 6 significant digits.
How many significant digits does the following operation have(40,200.0 * 0.000240) - 2.778
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.
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.
000203 has 3 significant digits.
Three significant digits.
This number has seven significant digits.