Question 895186
(a) {{{log 16.1=log 161/10=1.21}}}

(b) {{{log(2,128)=log(2,2^7)=7log(2,2)=7(1)=7}}}

(c) {{{log(8,1)=lg 1/lg 8=0}}}

(d) {{{log 0.042=lg 42/1000=-1.38}}}