3 of them.
Three.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.
6 significant figures.