e^{-0.3t}=27

Lösung

e^{- 0.3 t} = 27

t = - \frac{3 ln ( 3 )}{0.3}

Dezimale

t = - 10.98612 \dots

Schritte zur Lösung

e^{- 0.3 t} = 27

Wende Exponentenregel an

- 0.3 t = ln (27)

Löse

- 0.3 t = ln (27) : t = - \frac{3 ln ( 3 )}{0.3}

t = - \frac{3 ln ( 3 )}{0.3}

e^{y} = 75

e^{- x} = 3

3^{x - 3} = 5

3^{x} = x

2^{x^{2}} = 16