In a geometric progression, if the first term is 3 and the common ratio is 2, wh

Practice Questions

Q1
In a geometric progression, if the first term is 3 and the common ratio is 2, what is the 5th term?
  1. 48
  2. 24
  3. 12
  4. 6

Questions & Step-by-Step Solutions

In a geometric progression, if the first term is 3 and the common ratio is 2, what is the 5th term?
  • Step 1: Identify the first term (a) of the geometric progression. Here, a = 3.
  • Step 2: Identify the common ratio (r) of the geometric progression. Here, r = 2.
  • Step 3: Identify the term number (n) for which we want to find the value. Here, n = 5.
  • Step 4: Use the formula for the nth term of a geometric progression, which is a * r^(n-1).
  • Step 5: Substitute the values into the formula: 3 * 2^(5-1).
  • Step 6: Calculate the exponent: 5 - 1 = 4, so we have 3 * 2^4.
  • Step 7: Calculate 2^4, which is 16.
  • Step 8: Multiply 3 by 16 to get the 5th term: 3 * 16 = 48.
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