1. √36 *√49 = 6 * 7 =42
2. √64*√225= 8*15=120
3.√0.25*√196=0.5*14=7
4.√16 : √121=4*11=44
5.(√36:√25)*(√100*√49)=6/5*10/7=60/35=1 25/35=1 5/7
6.√169/√81=13/9=1 4/9
7.√81/√16=9/4=2 1/4
8.√144*√625=12*25=300
9.√1.96*√8.41=1.4*2.9=4.06
10.√4.84*√6.25=2.2*2.5=5.5