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dik:
Lo = 6 m
α = 12 × 10^-6 °C^-1
ΔT = 70°C - 20°C = 50°C
dit: Lt?
jawab:
Lt = Lo(1 + α × ΔT)
Lt = 6(1 + 12 × 10^-6 × 50)
Lt = 6(1 + 0,0006)
Lt = 6(1,0006)
Lt = 6,0036 m atau 600,36 cm
^ = pangkat