Answer:
   5.61×10^8 ton/day
Step-by-step explanation:
   (2.08×10^5 ft³/s)·(8.64×10^4 s/day)·(6.24×10^1 lb/ft³)/(2×10^3 lb/ton)
   = (2.08·8.64·6.24/2)×10^(5+4+1-3) ton/day
   ≈ 56.07×10^7 ton/day
   ≈ 5.61×10^8 ton/day
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We have expressed the answer using 3 significant digits, to match the precision of the rate and weight.
 
        
             
        
        
        
Answer:
ΔEFG ~ ΔRPQ - Angle Angle Angle Theorem 
ΔEFG ~ ΔRFQ - Side Side Side Proportional Theorem
Step-by-step explanation:
First set : using triangle sum theory to find missing angle. Letters should match congruent angles when creating statement. 
Second set :
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Suppose that a=42, b=35, c is unknown, and C = 120°

 
 
        
        
        
0.5 = 0.500
0.485<0.500
hope that helps!