Answer

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**Hint:**To solve the given question, we should know some of the algebraic properties. The first property, we should know is \[{{\left( \dfrac{a}{b} \right)}^{m}}=\dfrac{{{a}^{m}}}{{{b}^{m}}}\]. We should also know that \[\sqrt{a}\] can also be written as \[{{a}^{\dfrac{1}{2}}}\]. We will use these properties to find the value of the given expression.

**Complete step by step solution:**

We are given the expression \[\sqrt{\dfrac{100}{9}}\]. We need to simplify and find its value. The given expression is of the form \[\sqrt{a}\], we know it can also be written as \[{{a}^{\dfrac{1}{2}}}\], here we have \[a=\dfrac{100}{9}\]. By doing this, we get \[{{\left( \dfrac{100}{9} \right)}^{\dfrac{1}{2}}}\]. We also know the algebraic property which states that \[{{\left( \dfrac{a}{b} \right)}^{m}}=\dfrac{{{a}^{m}}}{{{b}^{m}}}\], here we have \[a=100\], \[b=9\], and \[m=\dfrac{1}{2}\]. Using this, we can write the given expression in fraction form as, \[\dfrac{{{100}^{\dfrac{1}{2}}}}{{{9}^{\dfrac{1}{2}}}}\]. We know that the square root of 100 is 10, and the square root of 9 is 3. Substituting these values in the above expression, we get

\[\Rightarrow \dfrac{{{100}^{\dfrac{1}{2}}}}{{{9}^{\dfrac{1}{2}}}}=\dfrac{10}{3}\]

As \[\dfrac{10}{3}\] cannot be simplified further, this is our answer.

**Hence, on simplification, we get that the value of \[\sqrt{\dfrac{100}{9}}\] equals \[\dfrac{10}{3}\].**

**Note:**To solve these types of questions we should know different algebraic properties. For example, those we used in the above solution \[{{\left( \dfrac{a}{b} \right)}^{m}}=\dfrac{{{a}^{m}}}{{{b}^{m}}}\], and \[\sqrt{a}\] can also be expressed as \[{{a}^{\dfrac{1}{2}}}\]. We can also have similar property for radical powers like cube roots \[\sqrt[3]{a}={{a}^{\dfrac{1}{3}}}\]. for general cases, we can say that \[\sqrt[n]{a}\] is also expressed as \[{{a}^{\dfrac{1}{n}}}\]. We can also use this property to express \[\sqrt[n]{\dfrac{a}{b}}\] as \[\dfrac{\sqrt[n]{a}}{\sqrt[n]{b}}\].

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