Answer:
Step-by-step explanation:
1.02 X 10^2=102
8.54 X 10^-3=00.854
6.83 x 10^-4=0.000683
9.12 X 10^-6=00000.0912
down 3 unit mean -3 outside root
right 2 unit mean -2 inside root,
so the answer is
.999...
99>64 just put a decimal