Solve this problem using estimation.
melissa bought 18 cupcakes and 2 gallons of fruit punch for her valentine party. if the cupcakes cost $.33 each and the punch costs $2.78 a gallon, estimate the cost of the fruit punch.
$

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,