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### High School Mathematics3.6 Characteristic and Mantissa of a Logarithm

 Logarithms of numbers contain integral and decimal parts. The integral part of the logarithm of a number is called the characteristic and the decimal part is called mantissa. If a number has 'n' digits the characteristic of its logarithm is 'n-1'. Example: log 3 = 0.4771. In the above '0' is characteristic, and .4771 is mantissa. Directions: Solve the following problems. Also write at least ten examples of your own.
 Q 1: In log 15 = 1.1761, '.1761' is ________.characteristicmantissa Q 2: In log 18 = 1.2553, '1' is __________.characteristicmantissa Q 3: In log 6 = 0.7782, '.7782 is __________.'mantissacharacteristic Q 4: In log 11 = 1.0414, '1' is _____.mantissacharacteristic Q 5: In log 9 = 0.9542, '.9542' is __________.mantissacharacteristic Q 6: In log 5 = 0.69897, '0' is _______.mantissacharacteristic Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!