# Radical and Exponents Simplify the expression frac{8r^(1/2)s^-3}{2r^-2 x^4} Question Radical and Exponents Simplify the expression $$\frac{8r^(1/2)s^-3}{2r^-2 x^4}$$ 2020-11-23
The given algebraic expression is, $$\frac{8r^{1/2}s^-3}{2r^-2 x^4}$$ Calculation: Simplify the given algebraic expression. $$\frac{8r^{1//2}s^-3}{2r^-2 x^4} = 4r^{\frac{1}{2}-(-2)}s^{-3-4}$$
$$[\therefore] \frac{a^m}{a^n} = a^{m-n}$$
$$= 4r^{\frac{1}{2} +2} s^{-7}$$
$$= 4r^{\frac{5}{2}} s^-7$$ Therefore, the simplification of the given algebraic expression is $$4r^{\frac{5}{2}}s^{-7}$$.

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