If a measurement is recorded as 1500 with no decimal point, how many significant

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Question: If a measurement is recorded as 1500 with no decimal point, how many significant figures does it have?

Options:

Correct Answer: 2

Solution:

Without a decimal point, trailing zeros are not considered significant. Therefore, 1500 has 2 significant figures.

If a measurement is recorded as 1500 with no decimal point, how many significant figures does it have?

If a measurement is recorded as 1500 with no decimal point, how many significant figures does it have?

Correct Answer: 2

Step 1: Identify the number given, which is 1500.
Step 2: Understand that significant figures are the digits that carry meaning contributing to its measurement accuracy.
Step 3: Note that in the number 1500, there are two non-zero digits: 1 and 5.
Step 4: Recognize that the zeros in 1500 are trailing zeros and do not count as significant figures when there is no decimal point.
Step 5: Conclude that the significant figures in 1500 are only the digits 1 and 5.
Step 6: Therefore, the total number of significant figures in 1500 is 2.

Significant Figures – Understanding how to determine the number of significant figures in a given measurement, particularly with respect to trailing zeros and the presence of decimal points.