Logs are rolling

Algebra Level 1

log ⁡ 10 1 1000000 = ? \log_{10} \dfrac1{1000000} = \, ?


The answer is -6.

Lloyd Regalado by Lloyd Regalado , 22, Philippines

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2 solutions

Abu Bakar Khan
Jan 4, 2016

Because, 1 0 − 6 = 1 1000000 10^{-6} = \frac{1}{1000000}

1 Helpful 0 Interesting 0 Brilliant 0 Confused

Moderator note:

This is just knowledge of logarithms.

Ashish Menon
Jun 2, 2016

What power of 10 10 gives you 1 1000000 \dfrac{1}{1000000} ? It is − 6 \color{#69047E}{\boxed{-6}} .

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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