1) -0.125 × √320 = ?2) a × √1/a = ?

Question

1) -0.125 × √320 = ?2) a × √1/a = ?

Answer 1

1) -0.125 × √320 = - 125/1000 x 8√5 = (-1/8) x 8√5 = - √5

2) a × √1/a = √1 = 1