bonjour quelqu'un pourrait m'aider svp.... Pergunta de ideia dedidi0007

didi0007 @didi0007

April 2022 1 43 Report

bonjour quelqu'un pourrait m'aider svp

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madameerini

Réponse : A = 4,8 x $10^{15}$ ; B = 7,5 x $10^{1}$ ; C = 6,08 x $10^{8}$

Explications étape par étape :

A x B = 6 x $10^{8}$ x 8 x $10^{6}$ = 48 x $10^{8 + 6}$ = 4,8 x $10^{1}$ x $10^{14}$ = 4,8 x $10^{15}$

$\frac{A}{B}$ = $\frac{A}{B} = \frac{6 * 10^{8} }{8 * 10^{6} } = \frac{6}{8} * 10^{8-6} = 0,75 * 10^{2}$ = 7,5 x $10^{-1}$ x $10^{2}$ = 7,5 x $10^{1}$

A + B = 600 000 000 + 8 000 000 =608 000 000 = 6,08 x $10^{8}$

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didi0007 merci (✯ᴗ✯)

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