Answer:
Number 3 is true.
Explanation:
Equation 1 is 823543, so that is incorrect.
Equation 2 equals 1, wrong.
Equation 3 is 1/49. 7 multiplied by itself (7 x 7) is 49. This is correct
Equation 4 is 1/33232930569601, nowhere near the answer.
equation 3 is correct
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