The SI prefixes. \text { The SI prefixes. }

Algebra Level 3

What is the smallest length unit in SI prefixes? \text { What is the smallest length unit in SI prefixes? }

yoctometer \text { yoctometer } millimeter \text { millimeter } femtometer \text { femtometer } centimeter \text { centimeter } attometer \text { attometer } zeptometer \text { zeptometer } micrometer \text { micrometer } angstrom \text { angstrom }

. . by . . , 14, South Korea

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1 solution

. .
Feb 28, 2021

To solve this problem, then you must know the SI prefixes. It is yotta - zetta - exa - peta - tera - giga - mega - kilo - hecto - deca - 0 - deci - centi - milli - micro - nano - pico - femto - atto - zepto - yocto. Then angstrom is not in SI prefix, but is means 1 0 − 10 meter. So, it is the unit of length. The problem is asking about the smallest length unit, so the answer is yocto + meter = yoctometer. \text { To solve this problem, then you must know the SI prefixes. It is yotta - zetta - exa - peta - tera - giga - mega - kilo - hecto - deca - 0 - deci - centi - milli - micro - nano - pico - femto - atto - zepto - yocto. Then angstrom is not in SI prefix, but is means } 10 ^ { -10 } \text { meter. So, it is the unit of length. The problem is asking about the smallest length unit, so the answer is yocto + meter = \boxed { \text { yoctometer. } } }

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The SI prefix order is the size of numbers. The most left word is the biggest SI prefix and the most right word is the smallest SI prefix. So yotta is the biggest, and yocto is the smallest SI prefix. \text { The SI prefix order is the size of numbers. The most left word is the biggest SI prefix and the most right word is the smallest SI prefix. So yotta is the biggest, and yocto is the smallest SI prefix. }

. . - 3 months, 1 week ago

The solution is right. A yoctometer is 10^-24 metres, while a yottameter is a 1 followed by 24 zeroes metres.

Andrei Zonga - 3 months, 1 week ago

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Maybe the smallest is Flank's length. It is almost 1 0 − 45 10 ^ { -45 } meter.

. . - 3 months, 1 week ago

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But it isn't a SI prefix.

. . - 3 months, 1 week ago

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