Zadanie w załączniku !! BŁAGAM O SZYBKĄ ODPOWIEDŹ .
10.
e) 2⁵⁰ : (16 × 2¹⁰) = 2⁵⁰ : (2⁴ × 2¹⁰) = 2⁵⁰ : 2¹⁴ = 2³⁶
f) 20¹⁰/20 × 20⁶ × 400 = 20¹⁰/ 20⁷ × 20² = 20¹⁰/20⁹ = 20¹ = 20
11.
a) 25-5³-5⁰ = 5⁻¹
b) 1/81 × 1/9 × (1/3)⁷ = (1/3)⁴ × (1/3)² x (1/3)⁷ = (1/3)¹³
c) 9 - 3⁹ - 27 / 3⁷ : 3⁴ = 3² - 3⁹ - 3³ / 3³ = 3⁻¹⁰/3³ = 3⁻¹³
d) 7¹ : 49 / 7⁴ × 7³ = 7¹ : 7² / 7⁷ = 7⁻⁸
12.
a) 27 × 3⁹ : 3¹⁰ = 3² = 9
b) 125 × 5⁷ : 5⁹ = 5¹ = 5
c) 64 × 2⁹ : 2¹⁰ = 2⁵ = 32
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10.
e) 2⁵⁰ : (16 × 2¹⁰) = 2⁵⁰ : (2⁴ × 2¹⁰) = 2⁵⁰ : 2¹⁴ = 2³⁶
f) 20¹⁰/20 × 20⁶ × 400 = 20¹⁰/ 20⁷ × 20² = 20¹⁰/20⁹ = 20¹ = 20
11.
a) 25-5³-5⁰ = 5⁻¹
b) 1/81 × 1/9 × (1/3)⁷ = (1/3)⁴ × (1/3)² x (1/3)⁷ = (1/3)¹³
c) 9 - 3⁹ - 27 / 3⁷ : 3⁴ = 3² - 3⁹ - 3³ / 3³ = 3⁻¹⁰/3³ = 3⁻¹³
d) 7¹ : 49 / 7⁴ × 7³ = 7¹ : 7² / 7⁷ = 7⁻⁸
12.
a) 27 × 3⁹ : 3¹⁰ = 3² = 9
b) 125 × 5⁷ : 5⁹ = 5¹ = 5
c) 64 × 2⁹ : 2¹⁰ = 2⁵ = 32