The earth is 146,000,000 kilometers from the sun. what is this number in standard form

What is the value of the expression below? (81^2)^1/8

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°