How do u write 5,823 in scientific notation

Jim had 15 minutes to do 5 laps around his school what would his time be

When rolling 26 sided number cube what are the chances some of the role will be seven

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?