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Large and small numbers

Learn how to express and manipulate large and small numbers using standard scientific notation and SI unit prefixes

Ionce had a recipe book that included the instruction to ‘cut the potato into large half-inch cubes and the bread into very small ones’. I was never sure whether this meant that the bread should be cut into small half-inch cubes or that the instruction for potato should have read ‘large (half-inch) cubes’. Even so, this still leaves me wondering just how small the bread should be. Crumbs, perhaps?

What do we mean by small anyway? Is 1 asmall number? If you gave your answer to a physics problem as the number 1 your teacher would complain that you had missed out the unit. Is 1 metre a small length? What about 1 millimetre? 1 nanometre?

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Previous

Acceleration Where does it all end?

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Nuclear physics and natural laws

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