A closed economy<span> is self-sufficient, meaning no imports are brought in and no exports are sent out, the goal being to provide consumers with everything they need from within the </span>economy's borders. An example would be how <span>Brazil's is an unusually </span>closed economy<span> as measured by trade penetration, with exports plus imports equal to just 27.6 per cent of GDP in 2013.</span>
......................B. Al-Razi
Answer:
An Atom
Explanation:
An atom is the smallest unit of matter
Tin has a molecular weight of 118.7 That is the mass in grams of one mole.
<span>3.50 * 118.7 = 415</span>
