Aptitude - Logarithm - Discussion
Discussion Forum : Logarithm - General Questions (Q.No. 6)
6.
| If log10 7 = a, then log10 |  |
1 |  |
is equal to: |
| 70 |
Answer: Option
Explanation:
|
= log10 1 - log10 70 | |||||
| = - log10 (7 x 10) | ||||||
| = - (log10 7 + log10 10) | ||||||
| = - (a + 1). |
Discussion:
33 comments Page 2 of 4.
Jesha said:
7 years ago
I can't understand how to solve log 10 (70)?
Please, someone explain me.
Please, someone explain me.
Shalini said:
1 decade ago
We know that.
Log 1= 0.
Put this value in 1st step we get.
0-log 70.
Log 1= 0.
Put this value in 1st step we get.
0-log 70.
Tanmay Mishra said:
1 decade ago
How we got last step:
= - (log10 7 + log10 10)
= - (a + 1)
= - (log10 7 + log10 10)
= - (a + 1)
Happiness said:
10 years ago
How comes, log 10 is 0 should not it be 0.01, please anyone?
Abdul bari said:
9 years ago
log 10 (-1) = ?
Please solve and tell me the answer.
Please solve and tell me the answer.
Ibrahim said:
6 years ago
2nd and 4th line is not clear. Please explain those.
Dev said:
8 years ago
Please explain the second step. I didn't get it.
Shreyash said:
9 years ago
@Abdul.
Log of negative number is not defines.
Log of negative number is not defines.
Ademani Thomas said:
3 years ago
What is log102 = 0.3010?
Please explain.
Please explain.
(1)
Nithin said:
1 decade ago
Yes how did we get the second step?
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