Answer:
−143x^3y^5
Step-by-step explanation:

So the answer is 
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I used the log rules
y*log(x) = log(x^y)
log(x) + log(y) = log(x*y)
these rules apply to any log base (not just base 10).
Answer:
Area = 168m^2
Step-by-step explanation:
Area of triangle = 1/2×base×height
Area = 1/2bh
= 1/2(8+16)(14)
= 168m^2