When we subtract 15.54 from 508.9538 using the rules for significant figures, the answer would be 493.41. The rule for adding and subtracting numbers is that the lowest decimal places should be followed for the answer to be in a significant figure. I hope my answer has come to your help. Thank you for posting your question here in Brainly.
Using the rules of significant figured, what do you get when you subtract 15.54 from 508.9538?