zapisz w postaci jednej potęgi: (^-potęga /-kreska ułamkowa) : a) a^6*(a^-2)^4 / a^-3= b) 16^5*(1/8)^3 / 4^-2*2^4=
a) a⁶ · (a⁻²)⁴ a⁶ · a⁻⁸ a⁻²
-------------------- = -------------------- = -------------- = a⁻²⁺³ = a
a⁻³ a⁻³ a⁻³
b) 16⁵ · (⅛)³ (4²)⁵ ·(2⁻³)³ 4¹⁰ 2⁻⁹
---------------------- = -------------------- = -------- · ---------- = 4¹⁰⁺² · 2⁻⁹⁻⁴ = 4¹² · 2⁻¹³ = (2²)¹² · 2⁻¹³ =
4⁻² · 2⁴ 4⁻² · 2⁴ 4⁻² 2⁴
= 2²⁴ ⁻¹³ = 2¹¹
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a) a⁶ · (a⁻²)⁴ a⁶ · a⁻⁸ a⁻²
-------------------- = -------------------- = -------------- = a⁻²⁺³ = a
a⁻³ a⁻³ a⁻³
b) 16⁵ · (⅛)³ (4²)⁵ ·(2⁻³)³ 4¹⁰ 2⁻⁹
---------------------- = -------------------- = -------- · ---------- = 4¹⁰⁺² · 2⁻⁹⁻⁴ = 4¹² · 2⁻¹³ = (2²)¹² · 2⁻¹³ =
4⁻² · 2⁴ 4⁻² · 2⁴ 4⁻² 2⁴
= 2²⁴ ⁻¹³ = 2¹¹