an approximation.
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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.
No. An irrational number is one that does not repeat or finish, and a calculator cannot display millions of digits like an irrational number would have.
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Scientists must sometimes rely on estimates when they cannot obtain exact numbers :)
Scientists must rely on estimates when they cannot obtain exact numbers.
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.
Logic, observation and mathematics. Logic for figuring things out, observation for noticing things, math for getting exact numbers.
No. In fact, a number cannot be both rational and irrational; they're mutually exclusive concepts.
scientists know the exact spot where an earthquake begins because they use a ritcher scale
There is no "exact". It is infinite.
Exact numbers are defined numbers unlike measured numbers that often feature a fraction part. They are mostly integers found as counts of objects.
That is the correct spelling of "exact" (precise, accurate).
The exact numbers cannot be assured but as per the report to congress there were almost 610,042 homeless people in America in January 2013.