What annual interest rate, to the nearest tenth, would be needed for $3500 to increase to $8780 over 10 years?

r ≈ 9.6%

Step-by-step explanation:

Simple Interest Rate Formula: A = P(1 + r)^t

Simply plug in our known variables a, p, and t and solve for r:

8780 = 3500(1 + r)¹⁰

8780/3500 = (1 + r)¹⁰

r = 0.096333

Convert r into %:

9.6%

the distance between point a and point b is 6 units

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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