Question

Would be grateful if I get help

Answer 1

`\\ \sf\longmapsto 72^{(3)/(4)}`

`\\ \sf\longmapsto 72^{(1)/(4)+(1)/(4)+(1)/(4)}`

`\\ \sf\longmapsto 2.91+2.91+2.91`

`\\ \sf\longmapsto 3.73`