Part A Determine the number of significant figures in the measurement 6.07 m ? E

Question

Part A

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

Express your answer numerically as an integer.

Part B

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

Express your answer numerically as an integer.

Part C

Round the value 44.981 g to three significant figures.

Express your answer numerically using three significant figures.

Number Significant figures Explanation 23.56 4 All nonzero digits are significant. 23.560 5 Trailing zeros are significant when a decimal point is shown. 1000 1 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. 500.01 5 Zeros between nonzero digits are significant. 0.0078 2 Leading zeros are not significant.

Explanation / Answer

Part A

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

Answer = 3

Part B

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

Answer = 2

Part C

Round the value 44.981 g to three significant figures.

Answer = 45.0

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