4^{-(x-4)}= 1/16

Lösung

4^{- (x - 4)} = \frac{1}{16}

x = 6

Schritte zur Lösung

4^{- (x - 4)} = \frac{1}{16}

Wende Exponentenregel an

- (x - 4) = - 2

Löse

- (x - 4) = - 2 : x = 6

x = 6

a = 30 \cdot 5^{0.078 x}

3^{x + 2} - 10 \cdot 3^{x} + 9 = 0

9 e^{5 x} = 100

32 = 1 6^{x - 1}

0. 8^{x} = 0.4