Bonjour,
U = 10‐⁴ / 10⁵ = 10‐⁹
V = (10⁵)-⁷ = 10-³⁵
W =
[tex] \frac{10^{ - 5} \times {10}^{9} }{ {10}^{ - 2} \times {10}^{ - 1} \times {10}^{3} } = \frac{10 ^{4} }{ {10}^{0} } = {10}^{4} [/tex]
X =
(10⁴)² × 10-⁵ / 10³ = 10⁸ × 10‐⁵ / 10³ = 10³ / 10³ = 10⁰