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Question
123 can be expressed as:
Options:
A .  10×1+10×2+10×3  
B .  100×1+100×2+100×3  
C .  100×1+10×2+1×3  
D .  1×1+1×2+1×3
Answer: Option C
:
C
Let the number be abc.
Then the general form of abc will be:

100×a+10×b+1×c
Thus,123=(100×1)+(10×2)+(1×3)

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