Question

.plz solve all questions full explanation

Answer 1

Hope it helps you

QUE2.
a.12345×98+12345×2
=12345(98+2)
=12345×100
=1234500
b.1250×125+(-250)+125
= 125(1250-250)
=125×1000
=125000
c. 1269×810-1269×10
=1269(810-10)
=1269×800
=1015200
QUE3.
a. 5×(-10)×25
=5×25×-10
=125×-10
=-1250
b.-12×7×0×6
=0
c.(-313)×(-36)+(-313)×(-64)
=(-313)(-36-64)
=(-313)×(-100)
=31300
QUE4.
a.(-85)
b.0
c.522

QUE 5.
a is negative because multiplication of two negative integers is a positive integers.