Question

\(\dfrac{3^5.3^7}{3^{11}}\) Em không làm bài này! Chỉ giúp em v

Answer 1

`@` `\text {Ans}`

`\downarrow`

`(3^5 * 3^7)/(3^11)`

`= (3^(5+7))/(3^11)`

`= (3^12)/(3^11)`

`=3`

Answer 2

\(\dfrac{3^5\cdot3^7}{3^{11}}\)

\(=\dfrac{3^{5+7}}{3^{11}}\)

\(=\dfrac{3^{12}}{3^{11}}\)

\(=3^{12-11}\)

\(=3\)

Answer 3

\(\dfrac{3^5.3^7}{3^{11}}=\dfrac{3^{5+7}}{3^{11}}=\dfrac{3^{12}}{3^{11}}\)

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Answer 4

\(\dfrac{3^5.3^7}{3^{11}}=\dfrac{3^{12}}{3^{11}}=3\)