$$ \boldsymbol{\huge{\style{color:#6059f6;}{\style{font-size:50px;}{(}0.2\style{font-size:50px;}{)}^{14}}= \style{color:#6059f6;}{\frac{1}{6103515625} } }} $$
Krok 1
Ponieważ pierwsza liczba to ułamek dziesiętny, zamieniamy ją na ułamek zwykły.
$$\style{color:#6059f6;}{\huge{0.2 = \frac{1}{5}}} $$
Krok 2
Potęgujemy ułamek
Potęgowanie jest to iloczyn takich samych liczb.
Oznacza to, że każdy ułamek musimy przemnożyć przez siebie tyle razy, jaki jest wykładnik potęgi.
Podczas mnożenia ułamków mnożymy przez siebie oddzielnie liczniki i mianowniki.
$$ \huge{\style{color:#6059f6;}{\style{font-size:50px;}{(} \frac{1}{5}\style{font-size:50px;}{)}^{14}} = \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}}= \style{color:#6059f6;}{ \frac{\style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1}}{\style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5}}} = \style{color:#6059f6;}{ \frac{1}{6103515625}}} $$
Podsumowanie
$$ \huge{\style{color:#6059f6;}{\style{font-size:50px;}{(}0.2\style{font-size:50px;}{)}^{14}} \\= \style{color:#6059f6;}{\style{font-size:50px;}{(} \frac{1}{5}\style{font-size:50px;}{)}^{14}} = \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}} · \style{color:#6059f6;}{ \frac{1}{5}}\\= \style{color:#6059f6;}{ \frac{\style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1} · \style{color:#6059f6;}{1}}{\style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5} · \style{color:#6059f6;}{5}}} = \style{color:#6059f6;}{\frac{1}{6103515625} } }$$