Druhá mocnina

• 324

• 256

• 289

• 361

Answer explanation

To find the square of 17, we multiply it by itself. So, 17^2 = 289. This is the correct answer choice.

• 324

• 256

• 289

• 361

Answer explanation

The question asks to find the square of 18. The correct answer is 324, which is obtained by multiplying 18 by itself.

What is the square of 19?

• 324

• 256

• 361

• 400

Answer explanation

The question asks for the square of 19. Among the given options, the correct answer is 361. To find the square of a number, we multiply the number by itself. Therefore, the square of 19 is 361.

What is the square of 20?

• 400

• 441

• 484

• 529

Answer explanation

The question asks for the square of 20. The correct answer is 400. To find the square of a number, you multiply the number by itself. In this case, 20 multiplied by 20 equals 400. Therefore, the square of 20 is 400.

What is the square of 21?

• 441

• 484

• 529

• 576

Answer explanation

The question asks for the square of 21. The correct answer is 441. To find the square of a number, you multiply the number by itself. In this case, 21 multiplied by 21 equals 441. Therefore, the square of 21 is 441.

What is the square of 18?

• 400

• 324

• 324

• 289

Answer explanation

The question asks for the square of 18. The correct answer is 324, which is the square of 18. The other options are incorrect.

What is the square of 16?

• 289

• 144

• 225

• 256

Answer explanation

The question asks for the square of 16. The correct answer is 256, which is the square of 16. This answer is highlighted as the correct choice.

What is the square of 13?

• 225

• 144

• 196

• 169

• 121

Answer explanation

The question asks for the square of 13. The correct answer is 169, which is the square of 13. The other options are incorrect.

What is the square of 11?

• 100

• 144

• 169

• 121

• 81

Answer explanation

The question asks for the square of 11. The correct answer is 121. To find the square of a number, you multiply the number by itself. In this case, 11 multiplied by 11 equals 121. Therefore, the square of 11 is 121.

What is the square of 25?

• 484

• 529

• 576

• 625

Answer explanation

The question asks for the square of 25. The correct answer is 625. To find the square of a number, you multiply the number by itself. In this case, 25 multiplied by 25 equals 625. Therefore, the square of 25 is 625.