Question

Quanto da 5 x -16/3?

Answer 1

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$\boxed{\underline{\sf multiplicac_{\!\!,}\tilde ao~de~frac_{\!\!,}\tilde oes}}\\\huge\boxed{\boxed{\boxed{\boxed{\sf\dfrac{a}{b}\cdot\dfrac{c}{d}=\dfrac{a\cdot c}{b\cdot d}}}}}$

$\sf 5\times\left(-\dfrac{16}{3}\right)=\dfrac{5}{1}\times\left(-\dfrac{16}{3}\right)=\dfrac{5\times(-16)}{1\times3}\\\huge\boxed{\boxed{\boxed{\boxed{\sf=-\dfrac{80}{3}\checkmark}}}}$