There are 125 blades of grass in a square cm of lawn.

Question

Assuming the grass stand is even how many blades of grass would be found in a lawn measuring 8 meters by 6 meters? use scientific notation in your answer

Answer 1

Convert the measure of the lawn to centimeter.

 

8 meters = 800 cm

6 meters = 600 cm

 

The area is 800(600) cm², or 480000 cm², or 4.8 x 10⁵ cm²

 

The number of blades:

 

1.25 x 10² · 4.8 x 10⁵

6 X 10⁷