Solve for a
a=\frac{1}{6561}\approx 0.000152416
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1=a\times 3^{8}
Add 1 and 2 to get 3.
1=a\times 6561
Calculate 3 to the power of 8 and get 6561.
a\times 6561=1
Swap sides so that all variable terms are on the left hand side.
a=\frac{1}{6561}
Divide both sides by 6561.
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