A. 10g4h9
-5gh4(-2g3h5)
(-5 x -2)= 10
(g x g3)=g4
(h4 x h5)= h9
= 10g4h9
Step-by-step explanation:
Question no 1 ans is -10.
Question no 2 ans is 14.
Question no 3 ans is 7.
Question no 4 ans is 14.
ANSWER

EXPLANATION
According to the power property of logarithms:

The given logarithm is

When we apply the power property to this logarithm, we get,

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