Answer:
(10x)^2
Step-by-step explanation:
S= 25
To find the rest you just do 180-25
Answer:
<
Step-by-step explanation:
Firstly, you can focus on the scientific notation and calculate which one is bigger. The left side is
whereas the right side is
. This shows that even if the number before this was bigger, the larger exponent of these two are the bigger number.

Meaning the correct sign would be the smaller than sign (<) as the right side is bigger than the left.
Hope this helps!
If the area of one is 20, that the area of 30 is 20*30=600 square inches.