625=5O log, 625 = 5Olog625=4Olog 4 = 625log, 5= 625

asked May 8, 2023 164k views

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Recall that:

$\log _bx=y\text{ if and only if }x=b^y.$

Therefore the given equation is equivalent to:

$\log _5625=4.$

Answer: Second option.

TheMohanAhuja answered May 15, 2023

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