pls solve
lg 75 - lg 3 + lg 28 - lg 7
Answers
Answered by
6
use log (ab) = log a + log b
and log(a/b) = log a - log b
lg (75 * 28 / (3 * 7))
= lg ( 25 *4 )
= lg (100)
= 2
Answer
and log(a/b) = log a - log b
lg (75 * 28 / (3 * 7))
= lg ( 25 *4 )
= lg (100)
= 2
Answer
Answered by
1
log 25+log3-log3+log4+log7-log7
log25+log4
log100
2
log25+log4
log100
2
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