#### 83.33
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- A bioengineer is growing neural tissue that grows at a rate of 1.2 mm per day. How long will it take to reach 10 cm in length?
- cm = 100 mm
- Time = 100 ÷ 1.2 ≈ **83.33 days
- A climatologist tracks Arctic sea ice, which is shrinking by 13% annually. If the ice cover was 14 million km² in 2020, what will it be in 2025 assuming continuous exponential decay?
- Final = 14 × (1 – 0.13)^5 ≈ 14 × 0.514 = **7.196 million km²
- #### 7.196
