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Byju's Answer
Standard VIII
Mathematics
Powers with Negative Exponents
Evalute:23÷ 2...
Question
Evalute:
2
3
÷
2
8
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Solution
Step:Finding the value using laws of exponents
Given ,
2
3
÷
2
8
Now ,we know that
2
3
÷
2
8
=
2
3
2
8
[
∵
(
a
m
a
n
=
a
m
−
n
)
]
=
2
3
−
8
=
2
−
5
[
∵
a
−
m
=
1
a
m
]
=
1
2
5
=
1
2
×
2
×
2
×
2
×
2
=
1
32
Hence,he value of
2
3
÷
2
8
is
1
32
.
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Standard VIII Mathematics
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