In which of the following pairs do both numbers contain the same number or significant figures 0.00575g and 5.75 x 10^-3g 405k and 405.0k 150000s and 1.50 x 10^4 3.8 x 10^-2L and 3.80 x 10^5 L

i think the answer is terrae but not 100 percent sure. ▓▬▬ §

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.