A spinner with 10 equal sections, numbered 1 to 10, is spun. Then a coin is flipped. What is the probability that the spinner wi
2 answers:
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You're basically looking for the square root of 49. In fact, if a number gives
when multiplied by itself two times, then you have
, which also means that
is the square root of
, i.e.
In your case, the answer is 7, because you have
which is indeed true