a) \(3^2.5+\left(\dfrac{10}{5}\right)^3.10-81:3\)
\(=9.5+8.10-81:3\\ =45+80-27\\ =98\)
b) \(-4^3.71+32.29-13.\left(-\dfrac{1}{50\%}\right)^5\)
\(=-64.71+32.29-13.\left(-2\right)^5\\ =-32.142+32.29+32.13\\ =32.\left(-142+29+13\right)\\ =32.\left(-100\right)\\ =-3200\)
`a)3^2 .5+(10/5)^3 .10-81:3`
`=9.5+2^3 .10-27`
`=45+8.10-27`
`=45+80-27=98`
______________________________
`b)-4^3 .71+32.29-13.(-1/[50%])^5`
`=-64.71+32.29-13.(-2)^5`
`=-32.142+32.29-13.(-32)`
`=-32.(142-29-13)`
`=-32.100=-3200`