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# Class 9 Math Logarithms

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$Example 01 Write 2^{-4}=\frac{1}{16} in logarithmic form.$

3. If \log 31.09=1.4926 find the value of the following without using \log table.(v) \log 310.942

$3. If \log 31.09=1.4926 find the value of the following without using \log table.(v) \log 310.942$

1. Find the common logarithm of each of the following numbers.(ii) 29.326

$1. Find the common logarithm of each of the following numbers.(ii) 29.326$

3. If \log 31.09=1.4926 find the value of the following without using \log table.(ii) \log 310.9

$3. If \log 31.09=1.4926 find the value of the following without using \log table.(ii) \log 310.9$

3. Find the value of x from the following using calculator.(viii) \log x=\overline{2} .7777

$3. Find the value of x from the following using calculator.(viii) \log x=\overline{2} .7777$

1. Find the values of the following by using logarithms.(ii) 25.753 \times 0.5341 \times 490.8

$1. Find the values of the following by using logarithms.(ii) 25.753 \times 0.5341 \times 490.8$