1. -3
2. 3
3. 12
4. 0.5
5. 0
6. All real numbers
X= log1395000000
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Log 3
In decimal form: 19.166143
Any prism has a volume equal to the base area x height. Your base area is that of a pentagon, which you can easily find in google typing 'area pentagon', which has a nice expression with square roots that I can't/don't need to write here.