To find this you know that the A of a square = s^2
So the length of one side equals

Since this is a perfect square, it would equal

And

Also you know it is a perfect square because the first and last terms are perfect squares :) :D
Answer:
4.8
Step-by-step explanation:
add all values and divide it by 5
Answer:
1.5
Step-by-step explanation:
Because if you divide 30 by 20 you get 1.5 to check if it’s correct you multiple 1.5 by 20
4.0 x 10^7 = <span>40000000
</span>3.65 x 10^2 = <span>365
</span>40000000 x 365 = 14600000000 or 1.46 x 10^10
Hope this helps!!