Resposta :
Resposta:
Letra c) 99.10^-4
Explicação:
Use a formula ΔL = α. Lo. ΔT°C
ΔL = 11.10^-6 x 30 x 30
11.10^-6 x 900
9900.10^-6
99.10^-4
Resposta:
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