Question

Mohon bantuannya ya...

Answer 1

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T = 5570 tahun
A = ⅜ Ao
t = __?

A = Ao (½)^(t/T)
⅜ Ao = Ao (½)^(t/5570)
⅜ = (½)^(t/5570)
log ⅜ = log (½)^(t/5570)
log ⅜ = (t/5570) • log (½)
t/5570 = (log ⅜) / (log ½)
t = 5570 • (log ⅜) / (log ½)
t = 7882 tahun ← jwb
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