Question

rút gọn

9¹⁴.25⁵.8².8⁷phần 18¹².625³.24³

 

Answer 1

\(\frac{9^{14}.25^5.8^2.8^7}{18^{12}.625^3.24^3}=\frac{3^{28}.5^{10}.8^9}{2^{12}.9^{12}.5^{12}.3^3.2^9}\)\(=\frac{3^{28}.5^{10}.2^{27}}{2^{21}.5^{12}.3^{24}.3^3}=\frac{3^{28}.5^{10}.2^{27}}{2^{21}.5^{12}.3^{27}}\)  \(=\frac{3.2^6}{5^2}=\frac{192}{25}=7,68\)

Answer 2

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