What is 0.75*0.75*0.75*0.75*0.75 written as a power

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?