Question

Solve with using suitable integer properties
a) 768 * 99
b) 165 * 218 + 165 * 782
c) 27 + 27 * 29
d) 40 * 35 * 125 * 50 ​

Answer 1

Step-by-step explanation:

a). 768*(100-1)

= 76800 -768

= 76032.

b.) 165*(218+782)

= 165* 1000

= 165000

c.) 27*(1+29)

= 27*30

= 810.

d.) 35*125*200

= 35* 25000

= 875000.

I HOPE IT HELPS U

Answer 2

Step-by-step explanation:

a) 768*99

= 768 * (100-1)

= (768*100) - (768*1)

= 76800-768

= 76032

b) 165 * 218 + 165 *782

= 165*(218+782)

= 165*1000

= 165000

c) 27+27*29

= 29(27+27)

= 29*27+29*27

= 783+783

= 1566

d) 40*35*125*50

= (40*125)*(35*50)

= 5000*1750

= 8750000

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