significant figure of 2000
Answers
Answer:
Learning Objective
Apply knowledge of significant figures to scientific calculations
Key Points
Significant figures are any non-zero digits or trapped zeros. They do not include leading or trailing zeros.
When going between decimal and scientific notation, maintain the same number of significant figures.
The final answer in a multiplication or division problem should contain the same number of significant figures as the original number with the fewest significant figures.
In addition and subtraction, the final answer should contain the same number of decimal places as the original number with the fewest number of decimal places.
Term
Significant FiguresThe digits that carry meaning in a number and contribute to its precision.
Significant figures of a number are digits which contribute to the precision of that number. Numbers that do not contribute any precision and should not be counted as a significant number are:
leading or trailing zeros (those are place holders)
digits that are introduced by calculations that give the number more precision than the original data allows.
two significant digit