Write down a number you can square to give an answer bigger than 400 but smaller than 500

Question

Mathematics

Iliana Collier

31 May, 04:15

Write down a number you can square to give an answer bigger than 400 but smaller than 500

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Answers (1)

Know the Answer?

Phoebe Henry · Answer 1

If you would like to know a number you can square and the answer is bigger than 400 but smaller than 500, you can calculate this using the following step:

20^2 = 400 < 21^2 = 441 < 22^2 = 484 < 500

There are two correct results: 21 and 22.