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an approximation.
estimate
The exact value of pi is the ratio of the circumference of a circle to its diameter. It cannot be printed exactly in numbers.
It cannot. It can only show square roots which represent only a small proportion of irrational numbers.
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Scientists must sometimes rely on estimates when they cannot obtain exact numbers :)
an approximation.
Scientists must rely on estimates when they cannot obtain exact numbers.
estimate
Logic, observation and mathematics. Logic for figuring things out, observation for noticing things, math for getting exact numbers.
The exact value of pi is the ratio of the circumference of a circle to its diameter. It cannot be printed exactly in numbers.
scientists know the exact spot where an earthquake begins because they use a ritcher scale
No. In fact, a number cannot be both rational and irrational; they're mutually exclusive concepts.
There is no "exact". It is infinite.
That is the correct spelling of "exact" (precise, accurate).
Exact numbers are defined numbers unlike measured numbers that often feature a fraction part. They are mostly integers found as counts of objects.