Reference no: EM132441618

When we report a measurement in science, we are careful to report only digits known with certainty, plus a final digit that is recognized to be uncertain. It is important to know how to count significant figures correctly, including in numbers containing zeros.

Number Significant figures Explanation 23.564 All nonzero digits are significant. 23.5605 Trailing zeros are significant when a decimal point is shown. 10001 Trailing zeros are considered ambiguous, and may or may not be significant, when no decimal point is shown. Use scientific notation to avoid ambiguity 1000.4 Showing the decimal point indicates that the preceding zeros are significant. 500.015 Zeros between nonzero digits are significant. 0.00782 Leading zeros are not significant.

Part A

Determine the number of significant figures in the measurement 6.07 m?

Express your answer numerically as an integer.

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Part B

Determine the number of significant figures in the measurement 0.0030 s?

Express your answer numerically as an integer.

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Part C

Round the value 44.981 g

g to three significant figures.

Express your answer numerically using three significant figures.

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