Which rules of exponents will be used to evaluate the expression. Check all that apply. Quotient of powers product of powers power of a power power of a product negative exponent zero exponent.

Healing after the death of a loved one is most difficult when: a) the bereaved is not allowed to mourn in the way he or she wishes b) the death is a long, protracted one c.) a period of grief has already elapsed d) no other mourners are present