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Standard VII
Mathematics
Powers and Exponents
Question
Express the following in exponential form
(i)
log
2
128
=
7
(ii)
log
10
0.0001
=
−
4
(iii)
log
8
16
=
4
3
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Solution
Verified by Toppr
1
)
log
2
128
=
7
⟹
2
7
=
128
2
)
log
10
0.0001
=
−
4
⟹
10
−
4
=
0.0001
3
)
log
8
16
=
4
3
⟹
8
4
/
3
=
16
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1
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log
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(ii)
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(iii)
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