You save $1 the first day of the month, $2 the second day, $4 the third day, continuing to double your savings each day. what will your savings be for the first 13 days?

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%