Three of them.
111.0
One. Although integers ending in 0 are ambiguous. If the number is known to be accurate to the nearest ten, for example, then there are 3 significant digits.
Because March 14th or 3-14 are the first 3 digits of pi which are 3.14
4 significant figures.
There are 4 signifigant figures in 19.83
4.
111.0
One. Although integers ending in 0 are ambiguous. If the number is known to be accurate to the nearest ten, for example, then there are 3 significant digits.
Because March 14th or 3-14 are the first 3 digits of pi which are 3.14
5 of them.
Six.
4 significant figures.
There are 4 signifigant figures in 19.83
6 digits
6
4
The Rosetta was significant in 2004