Question

Number Significant figures Explanation
23.56 4 All nonzero digits are significant.
500.01 5 Zeros between nonzero digits are significant.
23.560 5 Trailing zeros are significant when a decimal point isshown.
0.0078 2 Leading zeros are not significant.
1000 ? Trailing zeros at the end of a number but before a decimalare ambiguous.

Part A
Determine the number of significant figures in the measurement 6.07m ?
Express your answer numerically as an integer.



Part B
Determine the number of significant figures in the measurement0.0030 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.