21. The answer is 453. I put it in the calculator and got 452.5, so I rounded to 453. If it's 5 or more round up, 4 or less round down. 22. 14.1 I did the same thing it came out as 14.06, but the 6 made me round to 1. 23. $4.1 I think you get the concept now.
No, the probability of getting a 5 is 1/6, but you could roll any number of fives in a row. It is just as likely to get rolled the second time as it was the first.
