1.

The population of a dragonfly is x now. It becomes y times itself after one week. What will be its population after 2 weeks.

A.  \[{{y}^{2}}x\] 
B.  \[{{x}^{2}}{{y}^{2}}\]
C. \[x{{y}^{3}}\]   
D.  \[{{x}^{3}}y\]
Answer» B.  \[{{x}^{2}}{{y}^{2}}\]


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