Question

Tính \(\left(\dfrac{1}{3^{ }}\right)^{50}\).\(9^{25}\)

Answer 1

\(\left(\dfrac{1}{3}\right)^{50}.9^{25}=\left(\dfrac{1}{9}\right)^{25}.9^{25}=\dfrac{1}{9^{25}}.9^{25}=1\)

Answer 2

\(\left(\dfrac{1}{3}\right)^9.9^{25}=\left(\dfrac{1}{9}\right)^{25}.9^{25}=\left(\dfrac{1}{9}.9\right)^{25}=1^{25}=1\)