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Algebra Baldor
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Find the logarithm of $81$ to the base $9$

Step-by-step Solution

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◻√◻
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ln
log
log◻
lim
d/dx
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|◻|
θ
=
>
<
>=
<=
sin
cos
tan
cot
sec
csc

asin
acos
atan
acot
asec
acsc

sinh
cosh
tanh
coth
sech
csch

asinh
acosh
atanh
acoth
asech
acsch

Solution

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Final answer to the problem

$2$
Got another answer? Verify it here!

Step-by-step Solution

How should I solve this problem?

  • Choose an option
  • Write in simplest form
  • Prime Factor Decomposition
  • Solve by quadratic formula (general formula)
  • Find the derivative using the definition
  • Simplify
  • Find the integral
  • Find the derivative
  • Factor
  • Factor by completing the square
  • Load more...
Can't find a method? Tell us so we can add it.
1

Evaluating the logarithm of base $9$ of $81$

$2$

Final answer to the problem

$2$

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Function Plot

Plotting: $2$

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Answer Assistant

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Got a different answer? Verify it!

Go!
1
2
3
4
5
6
7
8
9
0
a
b
c
d
f
g
m
n
u
v
w
x
y
z
.
(◻)
+
-
×
◻/◻
/
÷
◻2
◻◻
√◻
√

◻√◻
◻√
∞
e
π
ln
log
log◻
lim
d/dx
D□x
∫
∫◻
|◻|
θ
=
>
<
>=
<=
sin
cos
tan
cot
sec
csc

asin
acos
atan
acot
asec
acsc

sinh
cosh
tanh
coth
sech
csch

asinh
acosh
atanh
acoth
asech
acsch

How to improve your answer:

Similar Problems Solved

$\log_2\left(2\right)$

$\log_3\left(1\right)$

$\log_3\left(9\right)$

$\log_3\left(27\right)$

$\log_2\left(4\right)$

$\log_2\left(1\right)$

$\log_2\left(16\right)$

Main Topic: Evaluate Logarithms

Evaluate basic logarithmic expressions, knowing that $a^x=b$ is equal to $\log_a(b)=x$.

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