The store's rectangular floor is 42 meters long and 39 M wide how many square meters of flooring do they need use estimation access to the reasonableness of your answer

They need to use 1,638 square meters of flooring.

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given, and  apply the next formula:

Area of a rectangle: length x width

Replacing with the values given and solving for the area (A):

A = 42 x 39 = 1,638 m2

They need to use 1,638 square meters of flooring.

Feel free to ask for more if needed or if you did not understand something.