The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
The mean of a set of numbers is found by adding them together and dividing by how many numbers were added.
231.57 has five significant figures/numbers. All the numbers in 231.57 are significant.
The figure 18.03 has a total of four significant numbers
Three. All nonzero numbers are significant, and any zeros in between significant numbers are significant.
Because 10.00400 is 10.004, this has five significant digits (numbers).
Two significant figures.
3 significant figures.
There are 5 significant figures.
There are 5 significant figures.
3 significant figures.
3 significant figures.
One significant figure.