1.

A photograph of a bacteria enlarged 50,000 times, attains a length of 5 cm. What is the actual length of the bacteria?

A.  \[2\times {{10}^{-4}}cm\]              
B.  \[{{10}^{3}}cm\]   
C.  \[{{10}^{-4}}cm\]  
D.         \[{{10}^{4}}\text{ }cm\]    
Answer» D.         \[{{10}^{4}}\text{ }cm\]    


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