The sun is 150000000 kilometer from earth. write this number in scientific notation

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

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

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?