Answer:
10.67
Step-by-step explanation:
The 10 stays as it is.  The 2/3 is approximated by 0.67 (to the nearest hundredth).  Thus, we have 10.67 to the nearest hundredth.
 
        
             
        
        
        
Answer:
Step-by-step explanation:
2x - 9y = 23
5x - 3y = -12x - 9y = 23
5x - 3y = -1
 
        
             
        
        
        
Answer:
the answer and explanation is in the picture
Step-by-step explanation:
hope this helps
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Answer: 5300000
Step-by-step explanation: 7 is closer to ten so it is rounded up