Question

Scrieti urmatorul numar rational ca putere cu baza 1/2:
a)0,0625

Answer 1

    
$0,0625 = \frac{625}{10000}= \frac{ 5^{4} }{ 10^{4}}= \frac{ 5^{4} }{ (2*5)^{4}}= \frac{ 5^{4} }{ 2^{4}*5^{4}}= \frac{ 1 }{ 2^{4}}= ( \frac{1}{2} )^{4}$