56 = 2^3 * 7
√56 = √(4*14) = √4*√14 = 2√14
This is as simplified as it can be while still being an exact answer. It is approximately 7.483 in decimal form.
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"7" is the number because its square root is "49" & 49+7=56
7-8
The answer would be 56. You would square root 3136 which would give you 56.
The square roots of 56 are approx -7.5 and +7.5. So any consecutive pair from [-7, +7] will do.
The cube root of -56 = -3.825862