What is simplify-log_{10}(2.1*10^{-6}) ?

The solution to simplify-log_{10}(2.1*10^{-6}) is -log_{10}(2.1)+6

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simplify-log_{10}(2.1*10^{-6})

simplify

- lo g_{10} (2.1 \cdot 1 0^{- 6})

- lo g_{10} (2.1) + 6

Decimal Notation

5.67778 \dots

Solution steps

- lo g_{10} (2.1 \cdot 1 0^{- 6})

Apply log rule:

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

lo g_{10} (2.1 \cdot 1 0^{- 6}) = lo g_{10} (2.1) + lo g_{10} (1 0^{- 6})

= - (lo g_{10} (2.1) + lo g_{10} (1 0^{- 6}))

Apply log rule:

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

lo g_{10} (1 0^{- 6}) = - 6 lo g_{10} (10)

= - (lo g_{10} (2.1) - 6 lo g_{10} (10))

6 lo g_{10} (10) = 6

= - (lo g_{10} (2.1) - 6)

Distribute parentheses

= - (lo g_{10} (2.1)) - (- 6)

Apply minus-plus rules

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

= - lo g_{10} (2.1) + 6

3 lo g_{2} (x) - 4 lo g_{2} (y) + \frac{1}{2} lo g_{2} (z)

ln (2 (7) + 1) + 2 ln ((7) - 1)

lo g_{10} (x^{3} + 3 x^{2} - 4 x) - lo g_{10} (x^{2} - 2 x + 1)

1.344 \cdot ln (\frac{495}{639})

\frac{2}{7} lo g_{10} (a) - \frac{1}{4} lo g_{10} (b)

What is simplify-log_{10}(2.1*10^{-6}) ?
The solution to simplify-log_{10}(2.1*10^{-6}) is -log_{10}(2.1)+6