6/232 Oblicz sprytnie:
a) 4⁵ × 5⁶ =
b) (3/5)⁵ × (5/3)⁶ =
c) (4/9)⁷ : (2/9)⁸ =
d) (1 i 4/9)⁵ : (4 i 1/3)4 =
Wskazówka. 5⁶ = 5⁵ × 5
Daję naj
/ - kreska ułamkowa
a) 4⁵ × 5⁶ =
b) (3/5)⁵ × (5/3)⁶ =
c) (4/9)⁷ : (2/9)⁸ =
d) (1 i 4/9)⁵ : (4 i 1/3)4 =
Wskazówka. 5⁶ = 5⁵ × 5
Daję naj
/ - kreska ułamkowa
Verified answer
Odpowiedź:
A) 4⁵ × 5⁶ = (4 × 5)⁵ × 5 = 20⁵ x 5= 16000000
B) (3/5)⁵ × (5/3)⁶ = (3/5 × 5/3)⁵ x (5/3)= 5/3=1 i 2/3
C) (4/9)⁷ : (2/9)⁸ = (4/9 : 2/9)⁷ x 2/9= 576
D) (1 i 4/9)⁵ : (4 i 1/3)^4 = (1 i 4/9 : 4 i 1/3)⁴ x 1 i 4/9= 13/729