Question

Compute the squares of these numbers ?

a) 23 b) 49 c) 2½ d) 4.25


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Answer 1

a) 23×23 = 529

b) 49×49 = 2,401

c) 2½×2½ = 5/2×5/2 = 25/4 = 6.25

d) 4.25 = 425/100 = 17/4×17/4 = 289/16 = 18.0625

Answer 2

Answer:

a) 529

b) 2,401

c) 1

d) 18.0625