What are the rules for arithmetic operations with significant figures ?

3400 has significant figures

Is zero a significant figure ?

If the significant figures are more

What are significant figures.

What do you mean by significant figures?

5.041 has how many significant figures?

8.281 has how many significant figures?

Each side of a cube is measured to be 7.203 m. What is the volume of the cube, to appropriate significant figures?