Which expression is equivalent to 2 x 2^3 x 8

A.) 2^6
B.) 2^7
C.) 2^8
D.) 2^9

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%