Observations that deal with descriptions that cannot be expressed in numbers are called qualitative observations.
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They are called irrational numbers; numbers that can be expressed as a ratio of integers are called rational numbers. Some common irrational numbers are pi (3.14159...) and the square root of two.
The comparison of two numbers by division is called a ratio. For example, the fraction 3 over 2 can also be expressed as a 3 to 2 ratio.
ramanujam expressed the number 1729 in sum of cubes of two positive numbers in two different ways.
Such large numbers are best expressed in scientific notation, in this case, 1048, which can be read as "ten to the power forty eight".
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Data that can't be expressed in numbers is called qualitative data, which includes descriptions and observations. Color, texture, emotions, and shape are examples of qualitative data.
Qualitative (quantitative are observations that can be expressed numerically)
Qualitative observations
It is called analyzation.
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Numbers that can be expressed as a ratio are called rational numbers.
They are called rational numbers that can be expressed as fractions
They are called irrational numbers; numbers that can be expressed as a ratio of integers are called rational numbers. Some common irrational numbers are pi (3.14159...) and the square root of two.
All rational numbers can be expressed as fractions whereas irrational numbers can't be expressed as fractions.
Numbers expressed using exponents are called powers. When writing a number expressed as an exponent, the number is called the base. For example, in 23 two is the base.
Such numbers are called rational numbers.