milk
THE quantity? It looks like there are two. a hundred dollars is a specific quantity of dollars. A lot of groceries is an indefinite or unspecified quantity, but it is a quantity. It is greater than nothing, and less than a store full.
Yes, "dollars" is a noun in this case, and "one hundred" functions as an adjective specifying the quantity.
Approximately twenty thousand to approximately a hundred thousand.
Rounded to the nearest hundred, 2174 is approximately equal to 2200.
Rounded to the nearest hundred, 2923 is approximately equal to 2900.
Rounded to the nearest hundred, 12.695 is approximately equal to 0.
Rounded to the nearest hundred, 2361 is approximately equal to 2400.
Rounded to the nearest hundred, 4.526 is approximately equal to 0.
Rounded to the nearest hundred, 8199 is approximately equal to 8200.
Rounded to the nearest hundred, 32127 is approximately equal to 32100.
Rounded to the nearest hundred, 2399 is approximately equal to 2400.
Rounded to the nearest hundred, 94.42 is approximately equal to 100.