Fifteen times seventeen equals two-hundred and twenty five.
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It is: 5 times 1/7 = 5/7
1 x 5/7 is 5/7.
1*35 5*7 -1*-35 -5*-7
It is: 7/15 times 5/14 = 1/6
75 x (1/7)5 1/7 = 7-1 So, (1/7)5 = (7-1)5 = 7-5 Replacing this in the original expression gives, 75 x 7-5 = 7(5 -5) = 70 = 1 Alternatively, (1/7)5 = 15/75 = 1/75 we could then write, 75 x 1/75 = 1