1.

What is the value of (100 ÷ 10) ÷ 5? Is it the same as 100 ÷ (10 ÷ 5)? Why?

Answer»

(i) (100 ÷ 10) ÷ 5 = 10 ÷ 5 = 2

(ii) 100 ÷ (10 ÷ 5) ≠ (100 ÷ 10) ÷ 5

(iii) Because division of whole numbers are not associative.

Also 100 ÷ (10 ÷ 5) = 100 ÷ 2 = 50

But (100 ÷ 10) ÷ 5 = 10 ÷ 5 = 2 = 50 ≠ 2

(i. e) (100 ÷ 10) ÷ 5 ≠ 100 ÷ (10 ÷ 5)



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