The square roots of 4,900 are: 70 and -70.
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The two square roots are +70 and -70 .
0.0625 has a grand total of 2 square roots, and they're both real. They are +0.25 and -0.25
24,010,000 square meters.
70 squared (4900) * * * * * 71 squared = 5041 is closer.
The numbers 1 and negative 1 (-1) are both square roots of positive 1.The square root of negative 1 is the "imaginary" number i.