bonjour
4²x 0,25²
• 4² = (2²)² = 2⁴ (on multiplie les exposants)
• 0,25² = (25/100)²
= (1/4)² (on simplifie par 25)
= (1/2²)²
= 1/2⁴
4²x 0,25² = 2⁴ x 1/2⁴
= 2⁴ /2⁴
= 1
réponse : 1
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bonjour
4²x 0,25²
• 4² = (2²)² = 2⁴ (on multiplie les exposants)
• 0,25² = (25/100)²
= (1/4)² (on simplifie par 25)
= (1/2²)²
= 1/2⁴
4²x 0,25² = 2⁴ x 1/2⁴
= 2⁴ /2⁴
= 1
réponse : 1