Number Magic |
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Question : |
What are 'Significant Digits' ? |
Answer : |
Significant
Digits is used in context to decimal numbers. The significant
digits of a decimal number are those begining with the first
one, reading from left to right, which is not zero and ending
with the last are definitely specified. |
Significant digits can also be called as significant figures |
For Example : |
.444 has three significant digits
2.8943 has five significant digits
0.005182 has four significant digits
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Rules For Significant Digits :
- Digits from 1-9 are always significant.
- Zeros between two other significant digits are always significant.
- One or more additional zeros to the right of both the decimal place and another significant digit are significant.
- Zeros used for spacing the decimal point are not significant.
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