Question

Plzzz helpppp urgenly❤️

Answer 1

`\mathrm{D.} \: ((5)/(4) )^{(7)/(2)`

Explanation:

`\sqrt{((5)/(4))^7 }`

Apply rule :
`√(a) =a^{(1)/(2) }`

`(((5)/(4))^7 )^{(1)/(2) }`

Apply rule :
`(a^b)^c=a^(bc)`

`((5)/(4) )^{7 * (1)/(2) }`

`((5)/(4) )^{(7)/(2)`