Matric Part 1/9th Class General Math Chapter 6 Short Questions Test With Answer for Unit 6 Exponents and Logarithms

Write down the characteristic of logarithm of 0.000721?

• Ans 1: The characteristic of log 0.000721 is -4 because 0.000721=721 x 10^-4.

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Write in Decimal Form.

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Write down the characteristicof logarithm of 6350?

• Ans 1: The characteristic of log 6350 is 3 because 6350=6.350 x 103

Explain Characterstic and Mantissa of a Log of a number.

• Ans 1: The logarithm of a number consists of two parts,the integral part is known as the characteristic and the decimal part is known as the mantissa.

Evalute

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Write down the characteristic of logarithm of 0.000721?

• Ans 1: The characteristic of log 0.000721 is -4 because 0.000721=721 x 10^-4.

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Simplfy

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Write in Decimal Form.

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Write down the characteristic of logarithm of 0.000721?

• Ans 1: The characteristic of log 0.000721 is -4 because 0.000721=721 x 10^-4.

Write down the characteristic of logarithm of 2.057?

• Ans 1: The characteristic of log 2.057 is 0 because 2.057=2.057x 100 .

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Write down the characteristic of logarithm of 0.0732?

• Ans 1: The characteristic of log 0.0732 is -2 because 0.0732=7.32 x 10^-2

Write in scientific notation 2566324.

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Solve

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Explain Logarithm?

• Ans 1: Al-Khawarzni contributed a lot towards logarithm.In 17th centuray john Napier made further amendments in logarithm and prepared table for it.He fixed base 'e' for these table.The value of 'e' is 2.7183.The table made the complicated problems easier .

Write the following in decimal form.

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