oblicz :
a) 2 do potęgi -3
b) 27 do potęgi 2/3
c) 8 do potęgi 20 razy 4 do potęgi 30
a)2 do potęgi -3
2⁻³ = 1/2³ = 1/8
³√27² = ³√729= 9
8²⁰ * 4³⁰ =( 4²)²⁰ * 4³⁰ = 4²*²⁰ * 4 ³⁰ = 4⁴⁰ * 4³⁰ = 4⁴⁰⁺³⁰ = 4⁷⁰
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a)2 do potęgi -3
2⁻³ = 1/2³ = 1/8
b) 27 do potęgi 2/3
³√27² = ³√729= 9
c) 8 do potęgi 20 razy 4 do potęgi 30
8²⁰ * 4³⁰ =( 4²)²⁰ * 4³⁰ = 4²*²⁰ * 4 ³⁰ = 4⁴⁰ * 4³⁰ = 4⁴⁰⁺³⁰ = 4⁷⁰