Question

*Which of the following is the square of 21?*
1️⃣ 400
2️⃣ 421
3️⃣ 420
4️⃣ 441​

Answer 1

Answer:

The square of 21 is 441. Square means to multiply the number with itself . It doesn't mean multiplication with 2. Therefore, 21 * 21 = ...441

Answer 2

Answer:

441 is a 4 answer

.

Step-by-step explanation:

I hope your answers is correct