Question

when a decimal number is multiplied by itself and the product is 51.84.why we get 7.2

Answer 1

Dear student,

$$\begin{gathered} Letthenumberbexasitismultipliedbyitselfitisitssquare \\ so{x}^2=51.84 \\ \Rightarrow x=7.2 \\ thereforethedecimalnumberis7.2 \end{gathered}$$

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