Question

I'm trying to figure this out, but I can't get it

Answer 1

`\\ \sf\longmapsto √(16r^6)`

`\\ \sf\longmapsto √(16)√(r^6)`

`\\ \sf\longmapsto 4r^{6* (1)/(2)}`

`\\ \sf\longmapsto 4r^3`

Option B is correct

Answer 2

`\sqrt{16 {r}^(6) } \\ ( \sqrt{16 {r}^(6) } )^(2) \\ (4 {r}^(3) )`