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6) By which least number should each of the following numbers be divided to make them perfect squares? a) 3920
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6) By which least number should each of the following numbers be divided to make them perfect squares?

a) 3920

User Jasonslyvia
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1 Answer

4 votes

3920|2

1960|2

980|2

490|2

245|5

49|7

7|7

1


3920=2^4\cdot5\cdot7^2=(2^2)^2\cdot5\cdot7^2

It's 5

User Mwesigye John Bosco
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What is the solution? −10=2a−4 a=−7 a=−3 a = 3 a = 7
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