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n² = 121

n = ...?

Use root tree :

121

/ \

11 11

11 × 11 = 121

11² = 121

So :

n² = 11²

n = 11

So, the value of n is 11

Hope it helpful and useful :)

2 and 1.

step-by-step explanation:

plug in each answer. 0 doesn't work, 1 does. so does 2. 4 doesn't:

0 = 1 is not true.

2 = 2 is true.

4 = 4 is true.

8 = 16 is not true.

hope this !