Answer:
0.3
Step-by-step explanation:
4/5=0.8
0.8-0.5=0.3
y = 12^8
Log base 12, y^2 = 16
y2 = 12^16
y = sqrt ( 12^16) = (12^16)^1/2
1=2/3 reduced or 4/6 full
2=8/3
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