Use properties of logarithms to expand the logarithmic expre
Solution
log(10000t)
==> log (10000t)1/2
==> (1/2) log (10000t) since ln ab = b lna
==> (1/2) [ log10000 + logt] since log(ab) = loga + logb
==> (1/2) [ log104 + logt]
==> (1/2) [ 4 log10 + logt] since log ab = b log a
==> (1/2) [ 4 (1) + logt] since loga a = 1
==> (1/2)[4 + logt]
==> 2 + (1/2) logt
Hence log(10000t) = 2 + (1/2) logt

