What is 2log_{2}(2^7)+3log_{9}(9^{-2}) ?

The solution to 2log_{2}(2^7)+3log_{9}(9^{-2}) is 8

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simplify 2log_{2}(2^7)+3log_{9}(9^{-2})

simplify

2 lo g_{2} (2^{7}) + 3 lo g_{9} (9^{- 2})

8

Solution steps

2 lo g_{2} (2^{7}) + 3 lo g_{9} (9^{- 2})

2 lo g_{2} (2^{7}) = 14

3 lo g_{9} (9^{- 2}) = - 6

= 14 - 6

Subtract the numbers:

14 - 6 = 8

= 8

5 - \frac{2}{3}

(\frac{1}{64})^{- \frac{1}{3}}

3 c + 11 c

ab + ab

(- 6 x^{2} + 7 y^{3})^{2}

What is 2log_{2}(2^7)+3log_{9}(9^{-2}) ?
The solution to 2log_{2}(2^7)+3log_{9}(9^{-2}) is 8