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Popular >

simplify log_{10}(2*10^{-4})

Solution

simplify

lo g_{10} (2 \cdot 1 0^{- 4})

Solution

lo g_{10} (2) - 4

+1

Decimal Notation

- 3.69897 \dots

Solution steps

lo g_{10} (2 \cdot 1 0^{- 4})

Apply log rule:

lo g_{c} (ab) = lo g_{c} (a) + lo g_{c} (b)

lo g_{10} (2 \cdot 1 0^{- 4}) = lo g_{10} (2) + lo g_{10} (1 0^{- 4})

= lo g_{10} (2) + lo g_{10} (1 0^{- 4})

Apply log rule:

lo g_{a} (x^{b}) = b \cdot lo g_{a} (x)

lo g_{10} (1 0^{- 4}) = - 4 lo g_{10} (10)

= lo g_{10} (2) - 4 lo g_{10} (10)

4 lo g_{10} (10) = 4

= lo g_{10} (2) - 4

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Frequently Asked Questions (FAQ)

What is log_{10}(2*10^{-4}) ?
The solution to log_{10}(2*10^{-4}) is log_{10}(2)-4