how many significant figures are in 1.340 x 10^23
I know the answer is 4 but I thought it was 3. If you answer please explain why the answer is 4 and how you got there please!
Answers
Answer:
Add, subtract, multiply and divide significant figures. Enter numbers, scientific notation or e notation and select the operator. The calculator does the math and provides the answer rounding to the correct number of significant figures (sig figs).
You can use this calculator to verify your own calculations using significant figures.
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Enter whole numbers, real numbers, scientific notation or e notation. Example inputs are, 3500, 35.0056, 3.5 x 10^3 and 3.5e3.
Caution: See note regarding significant figures calculations.
What are Significant Figures?
Significant figures are the digits of a number that are meaningful in terms of accuracy or precision. These digits provide meaningful information about the precision of a calculation or measurement.
Significant Figures Rules
Non-zero digits are always significant
Zeros in between non-zero digits are always significant
Leading zeros are never significant
Trailing zeros are only significant if the number contains a decimal point
Explanation: