Three of them which are 528
There are four significant figures in the number 5280.
It is 5280
Three significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
Three. The last zero is just a placeholder.
5280
All of them except for 98.57 which has four significant figures
How many significant figures are in 20.8
2200
There are 3 significant figures in 94.2.
3 significant figures.
4487 has four significant figures.
5 significant figures.