real numbers, intervals, and inequalities
... However, this idea was overturned in the fifth century B.C. by Hippasus of Metapontum who demonstrated the existence of irrational numbers, that is, numbers that cannot be expressed as the ratio of two integers. Using geometric methods, he showed that the length of the hypotenuse of √ the triangle i ...
... However, this idea was overturned in the fifth century B.C. by Hippasus of Metapontum who demonstrated the existence of irrational numbers, that is, numbers that cannot be expressed as the ratio of two integers. Using geometric methods, he showed that the length of the hypotenuse of √ the triangle i ...
UNIT 1: REAL NUMBERS Equivalent fractions Two fractions are
... To round down, just cut off the number at the place you want. See the table below. b) Rounding is the most usual kind of estimating. To round a decimal number, find the place value you want and look at the digit just to the right. If it is 5 or more, then round up. If it is 4 or less, round down. Th ...
... To round down, just cut off the number at the place you want. See the table below. b) Rounding is the most usual kind of estimating. To round a decimal number, find the place value you want and look at the digit just to the right. If it is 5 or more, then round up. If it is 4 or less, round down. Th ...