Arithmatical - Logarithms
DIRECTIONS : Problems based on Logs.
| 16. |
If log 2 = 0.3010 and log 3 = 0.4771, the values of
log5 512 is |
| |
A. 2.870 |
| |
B. 2.967 |
| |
C. 3.876 |
| |
D. 3.912 |
| Solution |
| log 5512 | = log 512/log 5 |
| ‹=›9 log2 /log 10 - log 2 |
| =(9 ×0.3010)/(1 - 0.3010) |
| ‹=› 2.709/0.699 |
| = 3.876. |
|
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