7 log 10/9-2 log 25/24+3log 81/80
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Step-by-step explanation:
log(109)7−log(2524)2+log(8180)3
log(109)7(2524)2⋅(8180)3
log(107⋅(2⋅2⋅2⋅3)2⋅96)97⋅54⋅103^83
log(24⋅54⋅26⋅32)32⋅54⋅29
logg21029
log2.
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