How many basic units are in the SI system?
5
7
9
12
The SI system has seven basic units, it's a metre (length), kilogram (mass), second (time), ampere (electrical current), kelvin (temperature), candela (luminous intensity & mole (amount of substance)
reach: rather globalphysicsunits
Answers by country
5
7
9
12
answers
Estonia
13
the Netherlands
11
Austria
38
Pakistan
21
India
228
Australia
27
Nigeria
10
Germany
201
the United Kingdom
97
Poland
6377
Unknown
23
the Philippines
19
Canada
17
Republic of Ireland
15
Switzerland
23
the United States
122
Malaysia
13
Greece
13