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The SI system is based on the basic 10 scale where as with the imperial units there was no base scale. Most people refer to the Imperial scale as the queen picked up a rock and decided this rock weighs exactly on pound and picked up another and decided it was two. 
  • In contrast to the imperial units, which lacked a base scale, the SI system is built on the fundamental 10-point scale.
  • Most people refer to the Imperial scale as the rock the queen picked up and declared weighed exactly one pound, and the second rock she picked up and decided weighed two pounds.

What do SI units mean?

The metric system that serves as the industry standard for measurements is called the International System of Units (SI).The base units include: mass, length, time, temperature, amount of substance, electric current, and luminous intensity.

What is imperial units ?

A set of units of measurement that includes the foot, pound, second, miles, and yards.

Learn more about SI units and  imperial units https://brainly.com/question/10865248 here

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