calcule o valor das expressões
a) (0,5)².(0,2)³
b) (0,9)² : 0,027+ (1- 0,3)²
c) (1 - 75 )²
100 )
d) (1,44 :0,3 - 0,2 : 0,5) .1,06
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a) (0.5)².(0.2)³ = 1/4 * 1/125 = 1/500
b) (0.9)² / 0.027+ (1- 0.3)² = (81/100) /(27/1000) + 0.49 = 30.49
d) (1.44/0.3 - 0.2/0.5) * 1.06 = (4.8 - 0.4)*1.06 = 4.664
a) (0.5)².(0.2)³ = 1/4 * 1/125 = 1/500
b) (0.9)² / 0.027+ (1- 0.3)² = (81/100) /(27/1000) + 0.49 = 30.49
d) (1.44/0.3 - 0.2/0.5) * 1.06 = (4.8 - 0.4)*1.06 = 4.664
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