How lots of significant figures are in the following measurements?
a. 0.002 849 kg
b. 40 030 kg
Imply rules 1-4 from above. Verify your answers by writing the quantities in scientific notation.
a. 0.002 849 kg has four significant figures 2.849 * 10-3
b. 40 030 kg has four significant figures 4.003* 104