What is the solution to (3*10^2)*(5*10^5) written in scientific notation

Answer this question! 30 points and brainliest! only if you know the answer.

Wanna brainliest? ! ms. mcmahon is building a shed as shown. what is the measure of the angle at the top of the shed? a) 126 b )116 c) 64 d) 32

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)