A student estimated the sum 7.95 8.11 78.5 8.05 79.4 0.815 as: All the numbers begin with a 7 or 8, so use cluster estimation. 8 8 80 8 80 0.8 = 184.8 Explain why this reasoning is not accurate.

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