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Byju's Answer
Standard IX
Mathematics
Fundamental Laws of Logarithms
Given that ...
Question
Given that
log
(
2
)
=
0.3010
, then the number of digits in the number
2000
2000
is :
A
6601
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B
6602
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C
6603
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D
6604
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Solution
The correct option is
C
6603
Let
y
=
2000
2000
log
10
y
=
2000
log
10
(
2000
)
=
2000
(
log
10
2
+
log
10
(
1000
)
)
=
2000
(
0.3010
+
3
)
=
2000
(
3.3010
)
=
6602.
Therefore, the number of digits will be
log
10
y
+
1
=
6602
+
1
=
6603
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