Answer:
D. $512,000
Step-by-step explanation:
Well if the balance doubles every 5 years, then dividing 40 by 5 gives us the number of times the money will double, which is 8. We can then turn this into the equation 
. 
can be simplified to 256. Multiply that by 2000 and we get our answer, 512000. Hope this helps!
<h2>
<em><u>Pls mark brainliest!</u></em></h2>
Simplify whatever is in the parenthesis:
(5×^2-4x-1) and <span>(4x^2-4)
after that subtract the numbers you got from both </span>parenthesis after simplifying
£1 = 100p
£2 = 2 · 100p = 200p
20p = 20/200 = 1/10
