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Whakaoti mō x
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3910000000000=2^{x}
Whakareatia te 10000 ki te 391000000, ka 3910000000000.
2^{x}=3910000000000
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
\log(2^{x})=\log(3910000000000)
Tuhia te tau taupū kōaro o ngā taha e rua o te whārite.
x\log(2)=\log(3910000000000)
Ko te taupū kōaro o tētahi tau ka hīkina ki tētahi pū ko te pū whakarea ki te taupū kōaro o taua tau.
x=\frac{\log(3910000000000)}{\log(2)}
Whakawehea ngā taha e rua ki te \log(2).
x=\log_{2}\left(3910000000000\right)
Mā te tikanga tātai huri pūtake \frac{\log(a)}{\log(b)}=\log_{b}\left(a\right).