‎1. Is “billions of dollars worth of satellites”(without apostrophe of dollars) grammatically incorrect?

  1. In “billions of dollars’ worth of” Syntactically right below? [billions of dollars]’ worth of •[billions of dollars] : np •[billions of dollars]’ : determiner of ‘worth’ =adjective phrase?
  • I answered your second question here: link – BillJ Mar 27 at 7:15

The apostrophe is required for the sentence to be correct. See this English.stackexchange answer and this blog post for more details. The upshot is that "billions of dollars'" is in the genitive, i.e. possessive, case—so it needs an apostrophe.


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