A cliff overlooking Greenville Lake is experiencing erosion, losing elevation at a rate of 5% every millennium. The cliff's current elevation is 2,000 meters. What will its elevation be in
10 millennia?
If necessary, round your answer to the nearest whole number.

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Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

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