Number	Significant figures	Explanation
23.56	4	All nonzero digits are significant.
23.560	5	Trailing zeros are significant when a decimal point isshown.
1000	1	Trailing zeros are considered ambiguous, and may or may not besignificant, when no decimal point is shown. Use scientificnotation to avoid ambiguity
1000.	4	Showing the decimal point indicates that the preceding zerosare significant.
500.01	5	Zeros between nonzero digits are significant.
0.0078	2	Leading zeros are not significant.

Part A

Determine the number of significant figures in the measurement6.07 m ?

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 significantfigures.