Because 10.00400 is 10.004, this has five significant digits (numbers).
Four significant figures.
Three significant figures.
One significant figure.
3 significant figures.
2300.m has four significant figures.
2266 in significant figures is 2300.
All digits are significant except zeros closest to the decimal place. Thus, the 2300 at the end are all significant, giving four significant digits
Two of them
2
It has 2 significant figures. However, the fact that it is given as 2300 mm and not as 230 cm suggests that it is, in fact significant to 4 figures.
2300 rounded to 1 significant figure is 2000.
Rice crispy squares? A lot! --- but --- 2300 sq ft would be 2300 squares, each of which is 1 ft by 1 ft; or one square which is sqRt( 2300 ) ft by sqRt( 2300 ) ft. - where sqRt( 2300 ) is the square root of 2300, which is, to five significant figures, 47.958.
0.0343
2345 to 2 significant figures is 2300. The 4 in the hundred's place is not enough to round up to 2400.
231.57 has five significant figures/numbers. All the numbers in 231.57 are significant.
Integers with trailing 0s are ambiguous. There are at least two significant digits but, if the number is known to be accurate to the nearest integer, there are 4