Goalinetsky
Goalinetsky
10-04-2017
Mathematics
contestada
How to solve 2^x = 22.5?
Respuesta :
leidanyg
leidanyg
10-04-2017
x=4.491853 is the answer
Answer Link
apologiabiology
apologiabiology
10-04-2017
take the ln of both sides
remember
ln(a^x)=xln(a)
so
ln(2^x)=ln(22.5)
xln(2)=ln(22.5)
divide both sides by ln2
x=ln(22.5)/ln(2)
if you want to evaluate
use calculator
x=4.49185
Answer Link
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