Questions for today

1) 

R1 - 270 Ω

R2 - 470 Ω

R3 - 1k Ω

V0 - 6.05 V

V1 - 0.15 V 

V2 - 0.26 V

V3 - 5.63 V

To work out current...

V/R = I

6.05 / 1,740Ω = 0.00347701149...

To work out power...

VI = P

0.003... X 6.05 = 0.02103591954

2)

I1 - 

I2 - 0.6 mA

I3 -