benjaminballowe benjaminballowe
  • 24-07-2020
  • Mathematics
contestada

Solve 3^x=5. What are the exact and approximate solutions?

Respuesta :

Stephen46
Stephen46 Stephen46
  • 27-07-2020

Answer:

The answer is

1.46

Step-by-step explanation:

[tex] {3}^{x} = 5[/tex]

Take logarithm of both sides of the equation

That's

[tex] log(3)^{x} = log(5) [/tex]

Using the rules of logarithms

[tex] log(3)^{x} = x log(3) [/tex]

So we have

[tex]xlog(3) = log(5) [/tex]

Divide both sides by log 3

We have

[tex]x = \frac{ log(5) }{ log(3) } [/tex]

We have the final answer as

1.46497

which is

1.46 to 2 decimal places

Hope this helps you

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