The Stefan-Boltzmann constant is found to be σ = 5.670374419 ×10−8 W⋅m−2⋅K−4. How many significant figures are quoted?
Question
The Stefan-Boltzmann constant is found to be σ = 5.670374419 ×10−8 W⋅m−2⋅K−4. How many significant figures are quoted?
Solution 1
The number of significant figures in the Stefan-Boltzmann constant, σ = 5.670374419 ×10−8 W⋅m−2⋅K−4, is 10. This is because every non-zero digit and any zeros between them are considered significant. In this case, all the digits in the number 5.670374419 are significant.
Solution 2
The number of significant figures in the Stefan-Boltzmann constant, σ = 5.670374419 ×10−8 W⋅m−2⋅K−4, is 10. This is determined by counting all the digits from the first non-zero digit to the last digit in the number, including any zeros that are in between. In this case, the digits are 5, 6, 7, 0, 3, 7, 4, 4, 1, and 9.
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