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23 = 2 x 2 x 2 = 4 x 2 = 8
Sendo,
2: Base
3: Expoente
8: Potência (resultado do produto)
Exemplos de Potenciação
52: lê-se 5 elevado à segunda potência ou 5 ao quadrado, donde:
5 x 5 = 25
Logo,
A expressão 52 equivale a 25.
RADIACAO
Radiciação é a operação que realizamos quando queremos descobrir qual o número que multiplicado por ele mesmo determinada quantidade de vezes, dá um valor que conhecemos.
Exemplo: Qual é o número que multiplicado por ele mesmo 3 vezes dá como resultado 125?
Por tentativa podemos descobrir que:
5 x 5 x 5 = 125, ou seja, 5 ao cubo espaço igual a espaço 125
Escrevendo na forma de raiz, temos:
cúbica raiz de 125 espaço igual a espaço 5
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