Question

Diane has a rectangular poster. The poster is 1.8 meters long and 1.25 meters wide. What is the area of the poster in square centimeters?

Answer 1

First you multiply 1.8m by 1.25m= 2.25m
Second you multiply 2.25 by 100 b/c 100cm in a meter= 225cm

answer:
         225cm squared

Answer 2

Answer:

The area of the poster, in square centimers, is 0.000225 cm².

Step-by-step explanation:

The area of the rectangle is the multiplication of the width and the height.

To find the area in square centimeters, the first step is the converstion of the width and the height to centimeters.

Each m has 100cm. So

The poster is 1.8 meters = 0.018 centimeters long and 1.25 meters  = 0.0125 centimeters wide.

The area, in square centimers, is

$S = 0.018*0.0125 = 0.000225$

The area of the poster, in square centimers, is 0.000225 cm².