How do you evaluate log_4 80 - log_4 5?

1 Answer
May 28, 2016

log _4 80-log_4 5=2

Explanation:

log _4 80-log_4 5=log _4 (80/5)

log _4 80-log_4 5=log_4 16

log _4 80-log_4 5=log_4 4^2

log _4 80-log_4 5=2*log_4 4

log_4 4=1

log _4 80-log_4 5=2*1

log _4 80-log_4 5=2