Question

Sabendo que 29² = 841, calcule:

a) 2,9² 

b) 0,29²

c) 290² 

Answer 1

A) 8,41
B)0,0841
C)84100

Answer 2

A)  (2,9) ^ 2 = (29/10)^2 = (29^2)/(10^2) =8,41
B) (0,29) ^ 2 = (29/100)^2 = (29^2)/(100^2) =0,0841
C) (29*10)^2= (29^2)*(10^2) = 84100