Please help!! I need to turn it in soon! :) You find a fossil and want to determine its age using radiometric dating. You know
that Element X decays into calcium with a half-life of 1600 years. If you determine
that the fossil contains 3000 particles of element X, and 3000 particles of calcium,
how old is the fossil? Briefly explain your thinking.

step-by-step explanation:

the answer is d

step-by-step explanation:

investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation:

38.6°

step-by-step explanation:

resultant is 10 pound

smaller force = 8 pound

angle formed = tan⁻¹(

                        =tan⁻¹(

                          =tan⁻¹(0.8)

                        =38.6°