Answer:
c
Step-by-step explanation:
 
        
             
        
        
        
Kilogram is an SI unit for mass.
Ounce and pound refer to American system for measuring things, and decakilogram is not the "basic" unit, but kilogram is.
        
                    
             
        
        
        
<em><u>Answer:</u></em>
<em><u>Answer:the answer is zero </u></em>
<em><u>Answer:the answer is zero Step-by-step explanation:</u></em>
<em><u>Answer:the answer is zero Step-by-step explanation:when we add -42 and -54 the answer we get is -96. -96and +96 cut each other and then the answer is zero </u></em>
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8 times 3 = 24 +4= 28
4+3=7 times 8 =56
        
                    
             
        
        
        
Answer:
Undefined
Step-by-step explanation:
No multiplicative inverse exists for 0