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Question

What should be multiplied to 7200 to make a perfect square?

A
5
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B
3
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C
2
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D
4
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Solution

The correct option is C 2
7200=2×2––––×2×2––––×2×5×5––––×3×3––––
7200 is not a perfect square. To make a perfect square we must multiply by 2.

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