A number y, when rounded to 1 significant figure, is equal to 60 find the error interval for y

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.