What is simplify-log_{10}(0.39*10^{-3}) ?

The solution to simplify-log_{10}(0.39*10^{-3}) is -log_{10}(0.39)+3

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simplify-log_{10}(0.39*10^{-3})

simplify

- lo g_{10} (0.39 \cdot 1 0^{- 3})

- lo g_{10} (0.39) + 3

Decimal Notation

3.40893 \dots

Solution steps

- lo g_{10} (0.39 \cdot 1 0^{- 3})

Apply log rule:

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

lo g_{10} (0.39 \cdot 1 0^{- 3}) = lo g_{10} (0.39) + lo g_{10} (1 0^{- 3})

= - (lo g_{10} (0.39) + lo g_{10} (1 0^{- 3}))

Apply log rule:

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

lo g_{10} (1 0^{- 3}) = - 3 lo g_{10} (10)

= - (lo g_{10} (0.39) - 3 lo g_{10} (10))

3 lo g_{10} (10) = 3

= - (lo g_{10} (0.39) - 3)

Distribute parentheses

= - (lo g_{10} (0.39)) - (- 3)

Apply minus-plus rules

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

= - lo g_{10} (0.39) + 3

ln (\frac{y}{x ^{4}})

- lo g_{10} (4.12 \cdot 1 0^{- 3})

ln (\frac{x ^{2} + 1}{x + 1})

(ln (2 e))^{2} + 3 ln (2 e)

- lo g_{10} (2.1 \cdot 1 0^{- 9})

What is simplify-log_{10}(0.39*10^{-3}) ?
The solution to simplify-log_{10}(0.39*10^{-3}) is -log_{10}(0.39)+3