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Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

The area of square garden is 300m squared. how long is the diagonal?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.