Question

Which expressions are equivalent to log(3)3+log(3)27? A. Log10 B. 4 C. Log(3)81 D. Log3(3^4)

Answer 1

$\log_33+\log_327=1+\log_33^3=1+3=4\\\\Answer:\fbox{B.}\\\\Used:\\\log_aa=1\\\log_ab^c=c\log_ab\\\log_ab=c\iff a^c=b$

Answer 2

Answer:

log3 81, 4, log3(3^4)

Step-by-step explanation:

A P E X