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45402516=??\sqrt{45\sqrt{40}\sqrt{25}\sqrt{16}}=??

A30

B25

C35

D40

Answer:

A. 30

Read Explanation:

45402516=454025×4\sqrt{45\sqrt{40}\sqrt{25}\sqrt{16}}=\sqrt{45\sqrt{40}\sqrt{25\times{4}}}

=4540100=\sqrt{45\sqrt{40\sqrt{100}}}

=4540×10=\sqrt{45\sqrt{40\times{10}}}

=45400=\sqrt{45\sqrt{400}}

=45×20=\sqrt{45\times{20}}

=900=\sqrt{900}

=30=30


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