Zero is a placeholder in the decimal system from "summary" of Zero by Charles Seife
In the decimal system, zero plays a unique and crucial role. It is not just a number; it is a placeholder that helps determine the value of other numbers. Without zero, the decimal system would crumble, unable to express the vast range of quantities that humans encounter in their daily lives. Imagine trying to write a number such as 105 without zero. It would be impossible to distinguish between one hundred and five and one hundred and fifty. Zero acts as a separator, indicating the absence of a value in a particular place. Without it, our numerical system would be chaotic and confusing. When we write a number like 305, we are actually saying three hundreds, zero tens, and five ones. The zero in the tens place is essential because it tells us that there are no tens i...
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