Which expression is equivalent to (5^3) ^-2?
1 over 5^3
-1 over 5•5•5•5•5•5
5^3
1 over 5•5•5•5•5•5

15 point ! ~ see if you know the answer to both you!

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft