Question

raiz quadrada de cinco x raiz quadrada de 45?

Answer 1

Resposta:

Explicação passo-a-passo:

Ola!!

$\sqrt{5} \times \sqrt{45} \\\\\sqrt{5}\times\sqrt{9\times5} \\\\\sqrt{5}\times\sqrt{3^{2} \times5}\\\\\sqrt{5}\times 3\sqrt{5}\\\\3\times5\\\\\checkmark\boxed{\boxed{\Rightarrow15}}$