Write the following as positive exponents a) -8 (to the power of -12)
b)-12 (to the power of -3)
c)1/y(to the power of -10)

Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%