+70 and -70...... positive 70 and negative 70
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The square roots of 4900 are 70 and -70.
The Number is 70
Any positive number has two square roots, a positive square root and a negative square root. In this instance, the square root of 4900 is equal to ±70 (that is, 70 and –70).
The square root of 4900 is 70
The square roots of 4 are -2 and 2.