Prime because u can not times anything besides 1 and itself there fore it is a prime number
The 2 possible ways to fence in the patio are having 8x9, with the nine being the length of the wall. Because 8+8+9=26. The second way is 18x4 and the 18 being the length of the wall. Because 18+4+4=26.
10•10•10=1,000=10^3
1,608 divided by 1,000 equals 1.608