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Math 9 Chapter 3 Logarithms-9
1.
log3
7
/log7
3
can also be written as
a) log3 _ log7
b) log3/log7
c) 7log3+3log7
d) log7 _ log3
2.
If log
10
x= -3 then �x� will
a) 1000
b) .0001
c) .001
d) .01
3.
The exponential form of log
p
r = q is
a) r
p
= q
b) r
q
= p
c) p
r
= q
d) p
q
= r
4.
The characteristic of �3� is
a) 3
b) 1
c) 0
d) -1
5.
The log27 can also be written as
a) 3log10
b) 3log9
c) 3log7
d) 3log5
e) 3log3
6.
log12 can be written as
a) 3log4
b) 4log3
c) log3xlog4
d) log2xlog6
e) 2log2+log3
7.
The standard form of 9.99 x10
-4
is
a) 0.999
b) 0.00999
c) 0.000999
d) 0.0999
8.
loga
n
=y
a) a
y
= n
b) Log
10
10 =1
c) loga
mn
d) x = 2
9.
10
1
= 10
a) a
y
= n
b) loga
mn
c) Log
10
10 =1
d) x = 2
10.
The number of digits in 5
5
are
a) 1
b) 2
c) 3
d) 4
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