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Grade 11 Exponents CCSS: HSF-LE.B.5
The density of dark matter in a collapsing region of space increases as
[math]ρ(t) = ρ₀ · 2^(t/(13.8×10^9))[/math], where t is in years. How long does this model predict it takes for the dark matter density to double?
[math]ρ(t) = ρ₀ · 2^(t/(13.8×10^9))[/math], where t is in years. How long does this model predict it takes for the dark matter density to double?
- ρ₀ years
- [math] 6.9×10^9 years[/math]
- [math] 13.8×10^9 years[/math]
- [math] 27.6×10^9 years[/math]
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