음수(negative numbers)의 유효숫자(significant digits)

음수(negative numbers)의 유효숫자(significant digits)

 

 

1.00의 유효숫자는 3개이고,

-1.00의 유효숫자도 3개입니다.

 

음수의 유효숫자 개수/결정방법은 양수와 동일합니다.

 

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You round negative numbers the same way you round positive numbers!

(The process for rounding negative numbers is the same as for positive numbers.)

 

8.46 to two significant digits is 8.5 because the "6" makes it closer to 8.5 than 8.4.

-8.46 to two significant digits is -8.5 because the "6" makes it closer to -8.5 than –8.4.

 

256453 rounded to 3 significant digits is 256000 and -256453 rounded to 3 significant digits is –256000.

3816.512 rounded to 4 significant digits is 3816 and -3816.512 rounded to 4 significant digits is –3816.

 

Reference https://www.physicsforums.com/threads/significant-digit.102336/