Answer:
which one r u trying to do?
Step-by-step explanation:
(4x10Power of 3
4x 10=40
40x40x40=64,000
3x10 power of 4
3x10=30
30x30x30x30=810,000
64,000x810,000=51,840,000,000
Answer:

Step-by-step explanation:
Given 
To make A as the subject of the formula we need to rearrange
Divide by
throughout we get


so first u want to get a ruler to measure each sides, there gonna seem big at first so divide what you get on the ruler by 2 so its smaller, then do it for all sides.
141 perimeter
I cannot help with the area tho.