Place value usually says which number it refers to. In the 690, the 1s place value is 0, the 10s place value is 9 and the hundreds place value is 6. Another example would be with the number 527.
hello, I am not sure if I understand your question correct. However, if you are asking why percentage is per 100 and not per 1000 or 10, the response is - it is per 100 because that is what the mathematicians
Hello Tom, These days, with the Internet, it is easy to get many digits of pi with great reliability. For example: http://www.factmonster.com/ipka/A0876705.html http://www.geom.uiuc.edu/~huberty/math5337/groupe/digits
Hi Aishwarya, Direct and inverse variation are not the same as cross multiplying. They are concepts used in problem solving. Direct variation is when the independent variable increases proportionally
Hi Aishwarya, Historically, 1 out of 100 was a convenient ratio for a rate of taxation. It became a standard concept over time. Mathematically, a percentage is just a fraction with a denominator