Roberto notices that his hair is decreasing exponentially at a rate of 60% per year. If he starts with 100,000 hairs on his head, how , many hairs will he have after 4 years?
COMPLETE this equation: [?](1-[ ])^?

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon