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9) By what number will you multiply:(i) 20 to get -100? (ii) -60 to get 300?(iii) -55 to get -110?(iv) -85 to get 0?10) Find the result when:(i) the sum of the first four negativeintegers is multiplied by the greatestnegative number(ii) the sum of the first four positiveintegers is multiplied by the sum of allintegers from – 2 to 2.​

Answer»

Answer:

9.i)-5 II)5 iii)2 iv)0

10.i)(-1)+(-2)+(-3)+(-4) × (-1)

=(-10) × (-1)

=10

ii)1+2+3+4 × (-1)+(-2)

=10 × (-3)

=-30

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