A petri dish starts out with 20 bacteria. After several hours, there are 320 bacteria. What is the percent of change to the nearest whole percent?

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

How far could you drive on 50 gallons of gas

If a is a nonzero real number then the reciprocal of a is