What is the scientific notation of 6,780?

Ihave a 69 and an 82. the 69 is worth 40% of my grade and the 82 is worth 15%. can someone tell me my current average grade.

The number of lattes sold daily for two coffee shops is shown in the table: lattes 12 52 57 33 51 15 46 45 based on the data, what is the difference between the median of the data, including the possible outlier(s) and excluding the possible outlier(s)? 48.5 23 8.4 3

Need on this geometry question. explain how you did it.