A piece of charcoal was unearthed at an archeological site and found to contain 10% of its original carbon-14. The half- life of carbon-14 is 5,730 years. Which equation can be solved to determine the age of the charcoal?

Sara has been reading about different types of financial grants, including federal pell grants, academic competitiveness grants, smart grants, and teach grants. which statement about these grants is true? filling out a fafsa will not her apply for these grants. she will not have to pay back any funds she receives from these grants. these grants only go to students with less than a 3.0 gpa. she will have to pay back all the funds she receives from these grants.