The length and width of a standard sheet of paper is measured, and then the area is found by calculation to be 93.50 in2. the number of significant figures in the width measurement must be at least:

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet

Someone me! will award brainliest if u explain and answer!