In the SI system, how many base units are there?

Explanation

The number of fundamental units of measurement in science is typically considered to be seven. These are the basic units from which all other units can be derived. The seven SI (International System of Units) base units are: Meter (m): This unit represents length or distance. Kilogram (kg): This unit represents mass. Second (s): This unit represents time. Ampere (A): This unit represents electric current. Kelvin (K): This unit represents temperature. Mole (mol): This unit represents amount of substance. Candela (cd): This unit represents luminous intensity.