# Ch # 3 Logarithm Quiz 5

Welcome to your Ch # 3 Logarithm Quiz 5

1. $log_{a}mlog_{m}n=$
2. $log_{2}3log_{3}5=$
3. $log_{2}3log_{3}4log_{4}5=$
4. $log_{m}n={\frac{log_{a}n}{log_{a}m}}$ is called _______ law.
5. ${\frac{log_{a}n}{log_{a}m}}=$
6. ${\frac{log_{7}r}{log_{7}t}}=$
7. $log_{a}a=$
8. $log_{10}10=$
9. $log10=$
10. $log_{a}1=$
11. $log1=$
12. If  $log2=0.3010$ and $log3=0.4771$ then $log6=$ _____
13. The characteristic of the common logarithm 0.0083 is
14. The logarithm of unity to any base is_____
15. The logarithm of any number to itself as base is______
16. The base of common logarithm is ___________
17. The base of natural logarithm is ___________
18. The integral part of the common logarithm is called______________
19. The common logarithm was invented by a British Mathematician________
20. The decimal fration part of the common logarithm is called______________