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Simplify: 

(i) 2 x 103 

(ii) 72 x 22 

(iii) 23 x 5 

(iv) 3 x 44 

(v) 0 x 102 

(vi) 52 x 33 

(vii) 24 x 32 

(viii) 32 x 104

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Best answer

(i) 2 x 103= 2 x 10 x 10 x 10 = 2,000

(ii) 72 x 22 = 7 x 7 x 2 x 2 = 196

(iii) 23 x 5 = 2 x 2 x 2 x 5 = 40

(iv) 3 x 44 = 3 x 4 x 4 x 4 x 4 = 768

(v) 0 x 102 = 0 x 10 x 10 = 0

(vi) 53 x 33 = 5 x 5 x 3 x 3 x 3 = 675

(vii) 24 x 32 = 2 x 2 x 2 x 2 x 3 x 3 = 144

(viii) 32 x 104 = 3 x 3 x 10 x 10 x 10 x 10 = 90,000

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