Write the ones digit in the square of each of the
following numbers.
a. 13 b. 27. c. 46 d. 20 e. 75
f. 31 g. 42 h. 64 i. 38 j. 79
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Answer:
(a) ones digit is 3
square of 3 is 9
(b) square of 7 is 49
(c) square of 6 is 36
(d)square of 0 is 0
(e)square of 5 is25
(f)square of1is 1
(g)square of 2 is 4
(h)square of 4 is16
(i) square of8 is 64
(j)square of 9 is 81
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