Question

In integers find the product using suitable properties with solution:
(a) 57×104
(b) (-36)×99
(c) 105×86
(d) 25×7×8×4
(e) 125×(-98)
(f) 78×45+22×45
(g) 8×(50-4)
(h) (-124)×(-35)+(-124)×55​​

Answer 1

Answer:

105×86 this is answer

Step-by-step explanation:

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Answer 2

Answer:

(a) 26 × (– 48) + (– 48) × (–36)

(– 48) [ 26 +(–36) ]

(– 48) × [-10]

= 480

(b) 8 × 53 × (–125)

53\times[8\times(-125)]

53\times\left(-1000\right)

=\ -53000

(c) 15 × (–25) × (– 4) × (–10)

15\times\left(-1000\right)\ =-15000

(d) (– 41) × 102

-41\times\left[100+2\right]

-41\ \times\ 100\ +\left[\left(-41\right)\times2\right]

-4100+\left(-82\right)\ \ =\ -4182

(e) 625 × (–35) + (– 625) × 65

625\times\left[\left(-35\right)+\left(-65\right)\right]

625\times\left(-100\right)\ \ =\ -62500

(f) 7 × (50 – 2)

7\times50-7\times2

350-14\ \ =\ 336

(g) (–17) × (–29)

(-17)\times\left[(-30)\ +1\right]

\left(-17\right)\times30\ +\ \left(-17\right)\times1\

510\ +\left(-17\right)\ =\ 493

(h) (–57) × (–19) + 57

\left(-57\right)\times\left(-19\right)+57\times1

57\times\left(19+1\right)

57\ \times\ 20\ =1140