what number must be added to 521 to make it perfect square ?explain.
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Answered by
2
Answer:
22×22=484 which is smaller than 521 so
the next is 23×23=529 which means we should add 8 to 521 to make it a perfect square no.
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Answered by
1
Answer: 8
Step-by-step explanation:
521 + 8 = 529
23² = 529
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