Log of 25 (Base 10)
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What is log 25?
Answer
log 25 ≈
1.3979
log here is the common log, base 10.
≈ — the logarithm is irrational; the value is rounded to 4 decimal places.
log 25 is the power you raise 10 to, to get 25: 10y = 25.
10¹ = 10 < 25 < 100 = 10², so 1 < log 25 < 2
log 25 = ln 25 / ln 10 ≈ 3.218876 / 2.302585 ≈ 1.3979
Answer point ≈ (25, 1.3979).
The curve y = log x passes through (1, 0) and (10, 1) and rises: for x > 1 the log is positive, for 0 < x < 1 negative.
| Base | Notation | Value |
|---|---|---|
| e | ln 25 | ≈ 3.2189 |
| 10 | log 25 | ≈ 1.3979 |
| 2 | log₂ 25 | ≈ 4.6439 |
See Also
- Square Root Calculator - Calculate the square root of any number
- Simplify Square Root Calculator - Write any square root in simplest radical form, step by step
- Scientific Calculator with Memory & History - Free Engineering Calculator Online with Memory Function, Operation History, Logarithms & Trigonometry. Similar to ti-83, ti-84, ti-89
FAQ
What is log 25?
log 25 ≈ 1.3979
What is the difference between log 25 and ln 25?
ln 25 is the logarithm to base e, log 25 is to base 10: ln 25 ≈ 3.2189, log 25 ≈ 1.3979. One is the other divided by ln 10: log 25 = ln 25 / ln 10 ≈ 1.3979.
What is e?
e ≈ 2.71828 is the base of the natural logarithm: ln x is the logarithm of x to base e, so ln e = 1. It is an irrational number, like π.
See Also
- Log of 3 (Base 10)
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- Log of 10 (Base 10)
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- Log of 26 (Base 10)
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- Log of 100 (Base 10)
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- Log of 512 (Base 10)
- Log of 1000 (Base 10)
- Десятичный логарифм 25 (lg 25)
- Logaritmo decimal de 25 (log 25)
- Logaritmo decimal de 25 (log 25)