Réponse :
bonjour,
5³ × 5⁴ × 2³ × 7³ × 7⁵/7²
= 5³⁺⁴ × 2³ × 7³ × 7⁵⁻²
= 5⁷ × 2³ × 7³ × 7³
= 5⁷ × 2³ × 7³⁺³
= 5⁷ × 2³ × 7⁶
= 73530625000
= 7.3530625 × 10¹⁰
voila:)
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Verified answer
Réponse :
bonjour,
5³ × 5⁴ × 2³ × 7³ × 7⁵/7²
= 5³⁺⁴ × 2³ × 7³ × 7⁵⁻²
= 5⁷ × 2³ × 7³ × 7³
= 5⁷ × 2³ × 7³⁺³
= 5⁷ × 2³ × 7⁶
= 73530625000
= 7.3530625 × 10¹⁰
voila:)