Question

9. Find which is greater ?

(i) (8+10) x 15 or 8 + 10 x 15
(ii) 12 x (6-8) or 12 x 6 - 8
(iii) {(-3)-4} x (-5) or (-3) -4 x (-5)

Answer 1

1).(8+10) x 15 is greater

2). 12 x 6 - 8

3).{(-3)-4} x (-5)

Answer 2

1. (8+10)*15. Or. 8+10*15

=18*15. =18*15 =270. =270 Therefore,they are equal2. They are also equal as the numbers are same. And the property ‘ASSOCIATIVE PROPERTY’ for addition is true 3. Same reason as 2.