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Eplayer
@Eplayer
January 2021
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Pouvez-vous m'aider s'il vous plaît c'est très important. Je suis bloquer sur cet exercice. Le voici:
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winner123
Verified answer
Bonjour
1.
8⁻¹ x 2.4 x 10³ = 0.125 x 2.4 x 1000 =
300
0.1³ x 10⁴ x 3 = 0.001 x 10000 x 3 =
30
(10² -5²) x 0.5 ⁻² = 75 x 4 =
300
2.
12 x 10⁵ x 10 ⁻⁶ sur 16 x 10 ⁻⁴
= 12 x 10 ⁻¹ sur 16 x 10 ⁻⁴
= 0.75 x 10 ³
= 7.5 x 10²
( x - 5) ( 4 x + 3) = 0
x = 5
ou -3/4
2 votes
Thanks 1
Eplayer
merci mais pour le 3 je n'y arrive pas non-plus
Eplayer
??
Eplayer
ha merci j'avait pas vu
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Verified answer
Bonjour1.
8⁻¹ x 2.4 x 10³ = 0.125 x 2.4 x 1000 = 300
0.1³ x 10⁴ x 3 = 0.001 x 10000 x 3 = 30
(10² -5²) x 0.5 ⁻² = 75 x 4 = 300
2.
12 x 10⁵ x 10 ⁻⁶ sur 16 x 10 ⁻⁴
= 12 x 10 ⁻¹ sur 16 x 10 ⁻⁴
= 0.75 x 10 ³
= 7.5 x 10²
( x - 5) ( 4 x + 3) = 0
x = 5
ou -3/4