Please help me find this

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

Consider the graph of the exponential function y=3(2)×

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%