### 7.2 Exponential Patterns

<
>
• Math Help

In the solution to Example 4, note that the average of the ratios is about 0.7.

So, it appears that the tiger population decreases to almost 70% of what it was every five years.

• Consumer Suggestion

If you're looking for a unique idea for your next vacation you might want to check out the World Wildlife Fund's website. The WWF sponsors wildlife focused vacations to locales all over the world. A percentage of your vacation cost is donated to the WWF's general conservation fund.

• Checkpoint Solution

The estimated percents of remaining tiger habitat from 1985 through 2010 are:

Although the rate of decrease varies, it appears that the percent of remaining tiger habitat decreases to about 80% of what it was every 5 years. This means that the rate of decrease is about 20% every 5 years.

These comments are not screened before publication. Constructive debate about the information on this page is welcome, but personal attacks are not. Please do not post comments that are commercial in nature or that violate copyright. Comments that we regard as obscene, defamatory, or intended to incite violence will be removed. If you find a comment offensive, you may flag it.

``` _____     __   __    ______    ______   _    _
|  __ \\   \ \\/ //  /_____//  /_   _// | \  / ||
| |  \ ||   \ ` //   `____ `    -| ||-  |  \/  ||
| |__/ ||    | ||    /___//     _| ||_  | .  . ||
|_____//     |_||    `__ `     /_____// |_|\/|_||
-----`      `-`'    /_//      `-----`  `-`  `-`
`-`
```