Perform the following calculations to the correct number of significant figures.

Question

Perform the following calculations to the correct number of significant figures.

Part A

[(1.7

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 not considered significant when no decimal point is shown. 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

8.2 53 8.9*106 9.38

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