Answer:
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Step-by-step explanation:
Don't really need one hehe.
Exponential
The first year, he would earn 8% interest on the $400 deposited, so he'd have $432. The next year, he would earn 8% interest on the interest earned the previous year in addition to the amount deposited, so he'd have $466.56.
His bank balance would follow the compound interest equation which is exponential.
= 400 × 1.08^t
where t is the number of years since the deposit
The answer for one thousand minus seven is 993
33/20 as well as 1 and 13/20. First you look it up in the internet aka Google.
