Answer:r=2.5m+3.5
Step-by-step explanation:
Answer:
Step-by-step explanatio
-(1/3 · 1/3 · 1/3 · 1/3 )
-(3)^-4= -1/3 ^4 = -1/81
-(1/3 · 1/3 · 1/3 · 1/3 )= -1/81