[tex] a = 5 \times {10}^{5} \times 6 \times {10}^{ - 3} [/tex] [tex]b = ( {10}^{2}) \times 8 \times {10}^{ - 13} \times 2 [/tex] [tex] c = \frac{9 \times {
Mathématiques
riadhlvt57
Question
[tex] a = 5 \times {10}^{5} \times 6 \times {10}^{ - 3} [/tex]
[tex]b = ( {10}^{2}) \times 8 \times {10}^{ - 13} \times 2 [/tex]
[tex] c = \frac{9 \times {10}^{7} \times 25 \times {10}^{ - 3} }{18 \times {10}^{2} } [/tex]
[tex]d = \frac{45 \times {10}^{ - 5 } \times 12 \times {10}^{ - 3} }{27 \times {10}^{2 } \times 16 } [/tex]
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1 Réponse
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1. Réponse MargeSimpson1
Bjr
= 5×10⁵×6×10-³
= 30×10⁵-³
= 30×10²
= 3×10³
= (10²)×8×10-¹³×2
= 16×10-¹¹
= 1,6×10-¹⁰
= 9×10⁷×25×10-³ / 18×10²
= 10⁵×25×10-³ / 2
= 25×10² / 2
= 25×100 / 2
= 25×50
= 1250
= 1,25 × 10³
= 45×10-⁵×12×10-³ / 27×10²×16
= 5×3×10-³ / 3×10⁷×4
= 5 / 10¹⁰×4
= 5 / 4×10¹⁰
= 1,25×10-¹⁰
❤