Question

Se A=
$2 ^{7}\times 3^{4} \times 7^{2}$
B=
${2}^{5} \times {3}^{2} \times 7$
e C=
${2}^{5} \times {3} \times 7$
calcule:

a) A:B
b) A:C
c) B:C


me ajudem! dou 30 pontos

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Answer 1

Resposta:

a) 252

b) 756

c) 3

Explicação passo-a-passo:

$A = 2^7.3^4.7^2$

$B = 2^5.3^2.7$

$C = 2^5.3.7$

$\frac{A}{B} = \frac{2^7.3^4.7^2}{2^5.3^2.7} = 2^2.3^2.7 = 252$

$\frac{A}{C} = \frac{2^7.3^4.7^2}{2^5.3.7} = 2^2.3^3.7 = 756$

$\frac{B}{C} = \frac{2^5.3^2.7}{2^5.3.7} = 3$