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- (5x-1)(2x+1)
let me know if you need to see work
Answer:scales percent error=3.51%
Step-by-step explanation:
P ercent error = Experimental value - Theoretical value /Theoretical value x 100
Theoretical value = 6255 grams
Experimental value ( use of scale ) = 6475grams
Percent error =(6475- 6255)grams / 6255grams x 100
=220/6255 x 100
=3.51%
I think you have to multiply them. If you have a calculator you can do it easily.
