Working modulo 9 or 11, find the missing digits in the calculations below:
(a) 51840 · 273581 = 1418243x 040.
(b) 2x 99561 = [3(523 + x)]2.
(c) 2784x = x · 5569.
(d) 512 · 1x 53125 = 1000000000
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cow is tied to a pole at the centre of a grazing plot .when the Rope is taut (tight), the cow can describe the circle of circumference 132 m.calculate the length of the Rope and the area of the land on which it can
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Answer:
(b)2x 99561 = [3(523 + x)]2
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