what is 8 • (x • 4) = ?
Answers
Answered by
1
Answer:
8 x = 4
Step-by-step explanation:
8
x
=
4
Since
4
=
(
2
)
(
2
)
=
2
2
we can say that
8
=
4
(
2
)
=
(
2
)
(
2
)
(
2
)
=
2
(
2
2
)
=
2
2
+
1
=
2
3
So by changing notation we get
⇔
(
2
3
)
x
=
2
2
and since
(
x
a
)
b
=
x
a
b
, we can say
⇔
2
3
x
=
2
2
Then we take the
ln
2
(
x
)
of both sides
⇔
ln
2
(
2
3
x
)
=
ln
2
(
2
2
)
This gives us
⇔
3
x
=
2
Then we divide both sides by 3 to isolate x
⇔
x
=
2
3
and we have our answer
Cengizfighter101:
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