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Math 9 Chapter 3 Logarithms-2
1.
Log
a
(mn)=?
a) Log
a
m-n
b) Log
a
m/n
c) Log
a
mn
d) Log
a
m+log
a
n
2.
Log
a
(m/n)=?
a) Log
a
m- Log
a
n
b) Logam Logan
c) Log
a
m- Log
a
n
d) Log
a
m+ Log
a
n
3.
For the sake of convenience we express a number in an easier way (as power of 10) is called ______________.
a) Anti Logarithm
b) Scientific Notation
c) Integer
4.
In a number of digits when the decimal point move from left to right the power of 10 is ______________.
a) Positive
b) Negative
c) Neutral
5.
logarithms was invented by Muslim mathematician _______________.
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6.
If a
y
= x, where a, x, y
Î
R, with a ,x > 0, and a
¹
1, then y is called the ___________ of x.
a) Natural
b) Anti Logarithm
c) logarithm
7.
The logarithm with the base �e� is called ______________ logarithm.
a) Mantissa
b) Characteristic
c) Natural
8.
The logarithms with the base �10� is called __________ logarithm.
a) Common
b) Positive
c) Negative
9.
The logarithmic form of 2
-3
= 1/8 is ______________.
a) Log3
1/8
= 3
b) Log2
1/8
= 6
c) Log2
1/8
= 3
10.
Log aa=?
a) 1
b) -1
c) a
d) 0
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