Alex invested $400 in a CD that pays 3% simple interest, calculated semiannually. How much money will Alex earn in 2 years? A. $
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Move the decimal five places until it is after one number, and because the number got bigger, your exponent is a negative.
Answer:
Step-by-step explanation:
Hello,
You can use Pythagoras in the 4 right triangles.
For one triangle it comes .
Then for the polygon it gives .
Hope this helps.
Do not hesitate if you need further explanation.
Thank you