math 115
posted by Lea .
complete the statement 82cm= what mm? my answer is 820mm is thiscorrect?

Right.

complete the statement 15g= what kg? my answer is 528kg, is this correct?
2. sabrina has the following math quiz scores; 19, 24, 25, 17, 13, & 18. find her mean score to the nearest tenth if necessary, my answer is 17 is that correct? 
1 kilogram = 1,000 grams.
15 g does not = 528 kg.
Your second answer is also wrong.