Question

15. Determine o valor da expressão
Y=10+ 8/27÷2/3-4/5×5/2​

Answer 1

Resposta:

$y=10+{8\over27}\div{2\over3}-{4\over5}\times{5\over2}\\ \\ y=10+{8\over27}\times{3\over2}-{\not4^2\over\not5}\times{\not5\over\not2}\\ \\ y=10+{\not8^4\over\not27_9}\times{\not3\over\not2}-2=\\ \\ y=10+{4\over9}-2\\ \\ y=8+{4\over9}\\ \\ y={72+4\over9}\\ \\ y={76\over9}$

Answer 2

Resposta:

$y = \frac{76}{9} \\ \\ ou \\ \\3.4...$

Explicação passo a passo:

$y = 10 + \frac{8}{27} \div \frac{2}{3} - \frac{4}{5} \times \frac{5}{2} \\ \\ y = 10 + \frac{8}{27} \times \frac{ 3}{2} - 4 \times \frac{1}{2} \\ \\ y = 10 + \frac{4}{27} \times 3 - 2 \\ \\ y = 10 + \frac{4}{9} - 2 \\ \\ y = 8 + \frac{4}{9} \\ \\ y = \frac{72 + 4}{9} \\ \\ y = \frac{76}{9}$

Em forma decimal:

8,4...