3 significant figures.
231.57 has five significant figures/numbers. All the numbers in 231.57 are significant.
The question itself is wrong why is the .0157 not named as 1.57 if a number is higher than a 100 its is called at 1.00 but which is greater? its the .0157
The figure 18.03 has a total of four significant numbers
average 73,000 per annum
Because 10.00400 is 10.004, this has five significant digits (numbers).
Three. All nonzero numbers are significant, and any zeros in between significant numbers are significant.
There are 5 significant figures.
1 significant figure.
5 significant figures.
Three significant figures.
Four significant figures.
Four significant figures.