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17-09-2020
Mathematics

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What is the square of 5y?

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ZJSG09112007 ZJSG09112007

17-09-2020

Answer:

25y^2

Step-by-step explanation:

[tex](5y)^2\\\\\mathrm{Apply\:exponent\:rule}:\quad \left(a\times\:b\right)^n=a^nb^n\\\\\left(5y\right)^2=5^2y^2\\\\5^2=25\\\\=25y^2[/tex]

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