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Logarithms Practice Test 2
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© examsnet.com
Question : 22
Total: 39
If
log
10
(
x
+
5
)
+
log
10
10
=
4
, then the value of x is:
795
890
995
1000
Validate
Solution:
log
10
(
x
+
5
)
+
log
10
10
=
4
log
10
(
x
+
5
)
+
1
=
4
⇒
log
10
(
x
+
5
)
=
3
⇒
x
+
5
=
10
3
∴
x
=
1000
−
5
=
995
© examsnet.com
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