Math 9 Chapter 3 Logarithms-6


1. 8.15x10-2 is in scientific notation.


2. The number 0.00818 in scientific form is 8.18x10-2.


3. The logarithm to base 10 is called natural logarithm.


4. In logarithms base is never equal to one.


5. logarithm of negative numbers is not defined.


6. The value of e is equal to 2.71828.


7. If we want to take the mantissa of log 24.25 we cannot ignore the decimal point.


8. log20 = log5/ log4

9. log 64 = 3log4


10. Logamn=?




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