Question

simplify
i. 21/-32*8/35
ii. 21/5*-11/63*17/-22
iii. (2/5 + 2/3 - 4/15)*(4/21 - 2/7 + 2/3)​

Answer 1

Answer:

i) - (3/20)

ii)17/3016/35

iii)16/35

Step-by-step explanation:

i)21/-42×8/35

=168/-1470

[after cancellation]

=-(3/20)

ii)21/5*-11/63*17/-22

=-231/315×17/-22

=-3927/-6930

[after cancellation]

=17/30

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Answer 2

Step-by-step explanation:

1. (i) -3/20
2. (i) -3/20(ii) 17/30
3. (i) -3/20(ii) 17/30(iii) 16/35

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