Question

4,2×
$\frac{1}{2}$
ME AJUDAPOR FAVOR


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Answer 1

4,2 . 1/2
42/10 . 1/2
42/20
2,1

RESPOSTA : 2,1

Answer 2

$4.2 \times \frac{1}{2} \\ \\ \frac{21}{5} \times \frac{1}{2} \\ \\ \frac{21}{10} \\ \\ forma \: alternativa \\ \\ 2 \frac{1}{10} \: virgula \: 2.1$