PLEASE HELP. I will mark branliest

Dr.cooper just started an experiment. he will collect data for 8 days. how many hours is this

Definition: es. this is a disadvantage or weak point that makes someone or something less effective.

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.