Math 9 Chapter 3 Logarithms-1

Math 9 Chapter 3 Logarithms-1

1. ………… first gave the idea of logarithms?

a) Henry Briggs
b) Abu Muhammad Musa Al Khwazmi
c) Abu Muhammad Musa Al Khindi
d) John Napier

2. The scientific notation of 0.000058 is?

a) 58x10^-6
b) 0.58x10^-4
c) 5.8x10^-5
d) 5.8x10⁵

3. The ordinary form of6.35x10⁶ is?

a) 635x10^-6
b) 0.00000635
c) 6350000
d) 635

4. Logarithms with base 10 are known as?

a) Fixed logarithms
b) Natural logarithms
c) Common logarithms
d) Standard logarithms

5. Logarithms with base e are known as?

a) Common logarithms
b) Variable logarithms
c) Multiple logarithms
d) Natural logarithms

6. Find x if 2^2x=2?

a) 2
b) None
c) ½
d) 1

7. In logarithm bar of [2].3748 means?

a) Negative 2 and negative 0.3748
b) Negative 2 and positive 0.3748
c) Positive 2 and negative 0.3748
d) Positive 2 and positive 0.3748

8. Common logarithm is also known as?

a) Decimal logarithm
b) None
c) Decadic logarithm
d) Binary logarithm

9. Napier’s logarithms are also called?

a) Common logarithm
b) All of these
c) Decadic logarithms
d) Natural logarithms

10. 3²=9 is equivalent to?

value="a" id="10aq" onClick="Touch(this,10,id,1,0)">a) Log₂3=9
b) Log₂9=3
c) Log₉3=2
d) Log₃9=2

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