Is 90 a perfect square? If not, find the smallest multiple of 90 which is a perfect square , Find the square root of the new number.
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5
Answer:
prime factorization of 90
2|90
3|45
3|15
5|5
1|1
90=2×3×3×5
the prime factor of 2 and 5 do not occur in pair.
2×5=10
so,we need to divide 90 by 10
90/10=9
therefore 9 is the perfect square
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0
Answer:
fhrygei
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