Understanding and solving problems with the formula for a finite geometric series.
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Problem

Alexey earns a dollar sign, 20, comma, 000 salary in the first year of his career. Each year, he gets a 5, percent raise.
How much does Alexey earn in the first 4 years of his career?
Round your final answer to the nearest dollar.
dollar sign
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i