77. Calcule o valor das potências.
a) (4/5)²=
b) (1/4)³=
c) (1/3)⁵=
d) (9/10)²=
e) (1/2)⁴=
f) (9/15)¹=
78.Calcule o valor de:
a) (3/2)²=
b) (2/3)⁴=
c) 2/3⁴=
d) 2/3
⁴ =
81.Calcule
a) √9/4 =
b) √49/81=
c) √1/49 =
d) √36/64 =
e) √100/81 =
f) √1/100 =
Soluções para a tarefa
Resposta:
Explicação passo-a-passo:
a) 16/25
B) 1/64
c) 1/243
D) 81/100
E) 1/16
77. O valor das potências é:
a) (4/5)² = 16/25
b) (1/4)³ = 1/64
c) (1/3)⁵ = 1/ 243
d) (9/10)² = 81/100
e) (1/2)⁴ = 1/16
f) (9/15)¹ = 9/15
78. O valor das potências é:
a) (3/2)² = 9/4
b) (2/3)⁴ = 16/81
c) 2/3⁴ = 2/81
d) 2/3 ⁴ = 2/81
81. O valor das raízes é:
a) √9/4 = 3/2
b) √49/81 = 7/9
c) √1/49 = 1/7
d) √36/64 = 6/8
e) √100/81 = 10/9
f) √1/100 = 1/10
Explicação:
a) (4/5)² = 4x4/5x5 = 16/25
b) (1/4)³ = 1x1x1/4x4x4 = 1/64
c) (1/3)⁵ = 1x1x1x1x1/3x3x3x3x3 = 1/ 243
d) (9/10)² 9x9/10x10 = 81/100
e) (1/2)⁴ = 1x1x1x1/2x2x2x2 = 1/16
f) (9/15)¹ = 9/15 = 9/15
a) (3/2)² = 3x3/2x2 = 9/4
b) (2/3)⁴ = 2x2x2x2/3x3x3x3 = 16/81
c) 2/3⁴ = 2/3x3x3x3 = 2/81
d) 2/3 ⁴ = 2/3x3x3x3 = 2/81
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