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Which expressions are equivalent to the one below? Check all that apply. log7 1• log5 25


A. 5•7

B. 2•log7 7

C. 1

D. 0

Respuesta :

frika

Answer:

D

Step-by-step explanation:

Use logarithms properties:

[tex]\log_a1=0\\ \\\log_aa=1\\ \\\log_ab^k=k\log_ab[/tex]

Now,

[tex]\log_71=0\\ \\\log_525=\log_55^2=2\log_55=2\cdot 1=2[/tex]

and

[tex]\log_71\cdot \log_525=0\cdot 2=0[/tex]

Hence, correct option is option D.

kalie1023

Answer:

D. 0

Step-by-step explanation:

hope this helps :)

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