Question

Evaluate log 0.5 256.​

Answer 1

The change of base rule can be used if
a
a
and
b
b
are greater than
0
0
and not equal to
1
1
, and
x
x
is greater than
0
0
.
log
a
(
x
)
=
log
b
(
x
)
log
b
(
a
)
log
a
(
x
)
=
log
b
(
x
)
log
b
(
a
)
Substitute in values for the variables in the change of base formula, using
b
=
10
b
=
10
.
log
(
256
)
log
(
0.5
)
log
(
256
)
log
(
0.5
)
The result can be shown in multiple forms.
Exact Form:
log
(
256
)
log
(
0.5
)
log
(
256
)
log
(
0.5
)
Decimal Form:
−
8

Answer 2

Answer:

mmmShrelsosbwhfio7r77