Respuesta :

1Marshmello

Answer:

(0.4)² = (0.4).(0.4) = 0.16

His error is, instead of raising (0.4) to exponent 2, he multiplied (0.4) by 2 , obviously which is wrong

Step-by-step explanation:

wegnerkolmp2741o

Answer:

see below

Step-by-step explanation:

(.4) ^2 = this means .4  times  itself

.4*.4

.16