x = 0.9… (10 × x = 10 × 0.9…)
10x = 9.9… (10x - x = 9.9… - 0.9…)
9x = 9 ( 9x ÷ 9 = 9 ÷ 9)
x = 1
The vast majority of the Earth would take the form of vast, barren expanses of rock, directly exposed to space. If you were standing on the edge of a face, and looked back toward the center, you’d be able to clearly see the round bubble of air and water extending above the flat surface. I strongly suspect that it would be pretty.
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