Question

5. Metric convention treaty
was signed by how many
countries​

Answer 1

Answer:

17 countries

The Convention du Mètre, in English called the Metric Convention, Metrical Convention, Metre Convention, Convention of the Metre, or Treaty of the Metre, was signed in Paris on 20 May 1875 by 17 countries, including the US.

Answer 2

Answer:

Metric convention treaty

was signed by how many

countries 17 nations

Explanation:

It was signed at Paris.