Well, honey, let me break it down for you. The number 4030 has three significant digits because the zeros are sandwiched between non-zero numbers. So, count 'em up and you'll see that there are three digits that actually matter in this number. Hope that clears things up for ya, darling!
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.
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.
There are 3 significant digits in 20.0