If you start a biology experiment with 5,000,000 cells and 25% of the cells are drying every minutes how long will it before there are fewer than 1000 cells?

8 minutes

Step-By-Step Explanation:

1m 5,000,000×0.25

2m 1,250,000×0.25

3m 312,500×0.25

4m 78,125×0.25

5m 19,531.25×0.25

6m 4,882.81×0.25

7m 1,220.70×0.25

8m 305.17≤1,000

(I shortened the decimal places to be only until hundredths because it make the solution complicated and is not necessary for this problem)

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answer: 42

use a calculator to find that 845/73 = 11.575

the whole part of the answer is 11. multiply this by 73 to get 11*73 = 803.

subtract that result from 845 to get 845 - 803 = 42