Question

please answer all with statement ​

Answer 1

Step-by-step explanation:

(a) 37×(-58)+(-58)×(-27)

= -58(37-27)

= -58(10)

= -580

(b) (-45)×103

=-4635

(c) 4×87×(-25)

= 345×(-25)

= -8700

(d) 19×(-25)×(-4)×-8

=19×(-25×-4)×-8

=19×100×-8

= 100*19*(-10+2)

= 100{(19*-10)+(19*2)}

= 100*(-190+38)

= 100*-152

=-15200

(e) (-16)*(-39)

=624

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