Wikipedia

77 (number)

natural number

77 is a natural number that comes after 76 and before 78. It is a palindromic number.

Science

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In science, 77 is:

References

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  1. ↑ "It's Elemental - The Element Iridium". education.jlab.org. 2015. Retrieved 24 August 2015.
  2. ↑ "It's Elemental - The Element Nitrogen". education.jlab.org. 2015. Retrieved 24 August 2015.
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