Final answer:
The measurement that contains five significant figures is 60.104 ton, where all the digits are significant.
Step-by-step explanation:
The measurement that has five significant figures is C. 60.104 ton.
Significant figures are all the numbers that give meaningful contributions to its measurement accuracy. This includes all the non-zero digits, any zeros between significant digits, and any trailing zeros in a decimal number.
A. 4867 mi has four significant figures.
B. 56 mL has two significant figures since trailing zeros after a decimal point count as significant.
D. 0.00003 cm has only one significant figure.