Rewrite the expression with a rational exponent as a radical expression. three to the two thirds power all raised to the one sixth power

the sixth root of three
the ninth root of three
the eighteenth root of three
the sixth root of three to the third power

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

This is so hard and it’s for a test