Question

(10 elevado a -1, 10,..) Qual a razão dessa P.G?

Answer 1

10/(1/10) = 10 × 10/1 = 100
A razão é 100

Answer 2

$\mathtt{10^{-1}~~=~~\dfrac{1}{10}^1~~=~~\dfrac{1}{10}}$

$\mathtt{q = A_2 \div A_1} \\ \\ \mathtt{q =10 \div \dfrac{1}{10} } \\ \\ \\ \mathtt{q = 10~. ~\dfrac{10}{1}} \\ \\ \\ \mathtt{q = 100}$

Resposta: Razão = 100

Prova : 1/10 = 0,1

0,1 . 100 = 10