Answer:
First box ⇒ 3.6 x 10^-1
Second box ⇒ 3.1 x 10^6
Third box ⇒ 5.3 x 10^-6
Fourth box ⇒ 4.2 x 10^-1
Step-by-step explanation:
I used a calculator and solved it :)
No change in area if sides of rectangle are equal.
Hope this helps.
Answer:
15+15+15+2+2+2+2=(3×15)+(4×2)=45+8=53
