Question

Q-1 Write down a pair of integers whose

i) Sum is -4

ii) Difference is -6

Q-2 Find the product using suitable properties:

i) 25 x (-42) + (-42) x (-35)

ii) 25 x (-76) x 4

iii) -25 x 102

Q-3 Use the sign >, <, or = to make the statements true.

i) (-6) + (-4) …………… (-6) – (-4)

ii) (-2) + 6 – (12) ……………….. 14 – 9 + (-8)
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Answer 1

Step-by-step explanation:

for solution 1

I) 25*(-42)+(-42)*(-35)

= -1050 + 1470

= 420 (+ - always be -)

ii) 25*(-76)*4

= 25*4*(-76)

= 100*(-76)

= -7600

iii) (-25)*102

=(-25)*(100+2)

= (-2500)+ (-50)

= -2550

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