Question

A rectangular section of wilderness will be set aside as a new wildlife refuge. Its dimensions are 5×10^5meters by 4×10^4meters. Find the area of the land in square meters. Make sure your answer is in correct scientific notation form.


Help me understand how to solve this please I really need help

Answer 1

Our l=4*10^4 and b=5*10^5
A=l*b
=5*10^5*4*10^4
=2*10^10 M^2

Answer 2

the area is the product (multiplication) of the two dimensions

(5 x 10^5 m) * (4 x 10^4 m) = (5 * 4) x (10^5 * 10^4) m^2 = 20 x 10^9 m^2

for scientific notation the leading digit is between 1 and 10
... in this case ... 2 x 10^10 m^2

area is measured in square meters

Answer 3

I still dont understand