Acarpenter uses 9 1/2 ft of cedar for every 5 2/3 ft of redwood. a) if the carpenter uses 4 3/4 of cedar, how much redwood does he need?

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

What is the base of 1/9 to the power of 2

Ineed in figuring out this problem.