(0.02^2+0.06^2)=1/250=0.004
0.02=2/100=1/50
0.06=6/100=3/50
(1/50):2=1/2500
(3/50):2=9/2500
1)1/2500+9/2500=10/2500=1/250=0.004
(0.02^2+0.06^2)=1/250=0.004
0.02=2/100=1/50
0.06=6/100=3/50
(1/50):2=1/2500
(3/50):2=9/2500
1)1/2500+9/2500=10/2500=1/250=0.004