4,500 mass. if you multiply 0.45 and 10,000 you'll get 4,500
7, to find the mean add up all the numbers and then subtract by the amount of Humber a you added.
For example, 1,3,8,10 added together is 22. We added four numbers together, so divide by 4. The mean of 1,3,8,10 is 5.5
1. 11663
2. 98
3. 46 days
4. 1121
5. 29 pounds