Answer:
7.51, 3.49, 1.371, 0.1371
Explanation:
a = 5.5 + 2.01 = 7.51
b = 5.5 - 2.01 = 3.49
c = 13.71 /10 = 1.371
d = 13.71 / 100 = 0.1371
Hope it will help :)
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