During a discussion in science class, sharon learns that at birth an elephant weighs around 230 pounds. in four herds of elephants tracked by conservationists, about 12 calves were born during the summer. in scientific notation, express approximately how much the calves weighed all together. the calves weighed lbs all together.

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.