The half-life of a Radioactive sample is 80 hrs. Initially, there are 6,000,0000 nuclei in the sample. How many nuclei will remain after 10 days?

Abird sitting high in a tree is an example of what type of wnergy

What type of nuclear decay causes the atomic number of an element to increase by 1?

A15,000 kg rocket traveling at +230 m/s turns on its engines. over a 6.0 s period it burns 1,000 kg of fuel. an observer on the ground measures the velocity of the expelled gases to be −1,200 m/s.