Use the digits 1,2,3,4 and 5 to write four different order of operation problems that will equal 24. you must use at least 4 of the numbers and any combination of +×,÷, or exponents. 1: 2: 3:
4:

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?