Answer:
The answer should be rectangle only.
Answer:
<h2>4 bilion = 4 × 10⁹</h2>
Step-by-step explanation:
The scientific notation:

where

4 billion:
in USA: 4,000,000,000
in Europe: 4 000 000 000 000

Answer:
4/5
Step-by-step explanation:
1 - 2/10 = 8/10 = 4/5
(X-7)(x-7)
Hope this is what you're looking for!