What is simplify-log_{10}(4.1\times 10^{-4}) ?

The solution to simplify-log_{10}(4.1\times 10^{-4}) is -log_{10}(4.1)+4

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simplify-log_{10}(4.1\times 10^{-4})

simplify

- lo g_{10} (4.1 \cdot 1 0^{- 4})

- lo g_{10} (4.1) + 4

Decimal Notation

3.38721 \dots

Solution steps

- lo g_{10} (4.1 \cdot 1 0^{- 4})

Apply log rule:

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

lo g_{10} (4.1 \cdot 1 0^{- 4}) = lo g_{10} (4.1) + lo g_{10} (1 0^{- 4})

= - (lo g_{10} (4.1) + 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} (4.1) - 4 lo g_{10} (10))

4 lo g_{10} (10) = 4

= - (lo g_{10} (4.1) - 4)

Distribute parentheses

= - (lo g_{10} (4.1)) - (- 4)

Apply minus-plus rules

- (- a) = a, - (a) = - a

= - lo g_{10} (4.1) + 4

ln (\frac{3 + 1}{3 - 1})

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

lo g_{10} (\frac{5 x}{3})

2 ln (6 x) - \frac{2}{3} ln (x^{3})

lo g_{4} (5) + lo g_{4} (12) - lo g_{4} (3.75)

What is simplify-log_{10}(4.1\times 10^{-4}) ?
The solution to simplify-log_{10}(4.1\times 10^{-4}) is -log_{10}(4.1)+4