8.7. A decimal point (the period in math) says that it's a decimal. A decimal is a fraction of the whole, expressed with the period and means tenths. So the number given is eight
http://wiki.answers.com/Q/What_is_8.7_in_a_decimal

7/8 in decimal form would be 0.875. ChaCha on!
http://www.chacha.com/question/whatis7%26%2347%3...

7/8 in decimal form is 0.875. It's the same as 7 divided by 8.
http://www.kgbanswers.com/whatis78asadecimal/...

Well, a percent is what something is out of 100, so 8.7% is 8.7/100. When you divide anything by 100, you just move the decimal point to places to the left, which gives you: .087
http://answers.yahoo.com/question/index?qid=200903...
