+"3e7" is a compact numerical representation of thirty million (30,000,000), frequently encountered in [Scientific Notation](/wiki/scientific_notation). It denotes a significant [Magnitude](/wiki/magnitude), a large quantity often used across diverse scientific and economic domains.
+## See also
+- [Number](/wiki/number)
+- [Large Number](/wiki/large_number)
+- [Quantity](/wiki/quantity)
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