Whakaoti mō η
\eta =\frac{13}{204}\approx 0.06372549
Tautapa η
\eta ≔\frac{13}{204}
Tohaina
Kua tāruatia ki te papatopenga
\eta =\frac{65}{10\times 102}
Me whakakore tahi te 10^{13} i te taurunga me te tauraro.
\eta =\frac{13}{2\times 102}
Me whakakore tahi te 5 i te taurunga me te tauraro.
\eta =\frac{13}{204}
Whakareatia te 2 ki te 102, ka 204.
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