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Ans 1 output =20w{:[" output in dBw "=10 log " Power (in watts) "],[=>10 log 20],[=>13dBW","" Ans "]:}Ans?{:[A_(V)=30 dB.],[A_(v)=20 log((V_(0))/(V_("in ")))],[:.log((V_(0))/(V_("in ")))=(30)/(20)],[(V_(0))/(V_("in "))=10^(1.5)],[:.((V_(0))/(V_("in ")))=31.6]:}Ans-3{:[T=10","000K],[B=10MHz]:}Thermal noise (N)=KTB_(w)quad(K= Boltzmann's const ){:[=>1.38 xx10^(-23)xx10","000 xx10 xx10^(6)],[=>1.38 xx10^(-12)W]:}(c5){:[N(in dB omega)=10 log(1.38 xx10^(-12))],[=10 xx(-11.86)],[N=>-118.6dBW]:}" Ans-4 ... See the full answer