Elena is thinking about putting $200 in a savings account that earns 4% interest compounded semiannually. she wants to keep that money in the account for 4 years. which of the formulas below can her calculate how much money she will have at the end of the 4 years? a. $200(1 + 0.02)8 b. $200(1 + 0.04)4 c. $200(1 + 0.02)4 d. $200(1 + 0.08)2

A.

Step-by-step explanation:

Since, the amount that compounded semiannually is,

Where, P is the principal amount,

r is the annual rate ( in decimals ),

And, t is time ( in years ),

Here, P = $ 200,

r = 4 % = 0.04    ( 1 % = 0.01 ),

t = 4 years,

Hence, the amount after 4 years would be,

⇒ First option is correct.

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead

step-by-step explanation:

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