That's the second driest on the books, behind May 1964 when only 0.09 inches fell in the Lehigh Valley. For the year so far, the Valley had only 11 inches of rain â down from the normal 16 inches. It doesn't help that temperatures are creeping up. The average temperature this month is 65.4 degrees â 6 degrees above normal. It's been a very warm and dry month, Meola said.
Rational numbers sound like they should be very sensible numbers. In fact, they are. Rational numbers are simply numbers that can be written as fractions or ratios (this tells you where the term rational comes from). The hierarchy of real numbers looks something like this:
Real Numbers. In math, the real numbers contains both rational numbers and irrational numbers. The rational number is in the form of $\frac{5}{3}$, $\frac{-23}{40}$. And the irrational numbers like pi, $\sqrt 2$, any number in decimal representation like 2.4873.... where the digit is continuing in the way.