Respuesta :

oaOboyOo

Answer:

When speaking generally, the 1990s and 1990's mean the same thing. The 1990s uses a more modern style of punctuation. 1990's is a more formal or traditional use of the apostrophe.

mcarc09

The sentence is incorrect and it should be "That bridge was built with high-grade steel in the 1990s."

What is the problem with the sentence?

The problem with the sentence is the excess of hyphens. The words "high" and "grade" should be connected by a hyphen because they form one adjective.

However, there should not be a hyphen before the noun "steel". That is what makes the sentence incorrect. The correct sentence would be "That bridge was built with high-grade steel in the 1990s."

Learn more about hyphens here:

https://brainly.com/question/1276408

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