What are these significant figs A) 0.0040 B)1,000,000 C) 1.20 X 10^3

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.