how many half-lives have elapsed to yield a sample with 125 atoms of c-14 (parent isotope) and 375 atoms of n-14 (daughter isotope)

hypothesising or postulating

i just did an experiment like this in my science class. also the answer is yes, it will get separated because they are two opposites meaning if they are opposite they can not attract.

hope this .!

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2