Extend pattern 1,4,9​

1, 4, 9, 16, 25, 36, 49, 64, 81, 100

Step-by-step explanation:

This is a list of perfect squares.

1 is the square of 1. ( 1 x 1 = 2)

4 is the square of 2. (2 x 2 = 4)

9 is the square of 3. (3 x 3 = 9)

So, the next number would be the square of 4 which is 16 ( 4 x 4)

And so on.

the answer is d

step-by-step explanation:

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