Multiple choice

What will be 9 times the 9th term of the square number sequence starting from 1?

  1. 599

  2. 641

  3. 729

  4. 819

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Square number sequence: 1, 4, 9, 16, 25, 36, 49, 64, 81. The 9th term is 81. 9 times the 9th term = 9 * 81 = 729.

AI explanation

The square number sequence starting from 1 is represented by the formula n^2, making its 9th term equal to 9^2, which is 81. The question asks for 9 times this 9th term. Therefore, multiply 81 by 9 to get 729.