Question

me ajudem a responder a expressão passo a passo
$3 - ( {0.1})^{2}$

Answer 1

$3-(0,1)^2\\\\3-(\frac{1}{10})^2\\\\3-\frac{1}{100}\\\\ \frac{(3\cdot100)-1}{100}=\ \textgreater \ \frac{300-1}{100}\\\\ \boxed{\boxed{\frac{299}{100}\ ou\ 2,99}}$