Question

Find the product using properties.
a) 45 × ( -25) + 45 × ( -75)
b) ( -12) × (102) plz help me

Answer 1

a) 45 × {(-25) +(-75)}

--> 45× {-100}

-> -4500

b) (-12) × (102)

-> (-12)× (100+2)

-> { (-12×100)+ (-12× 2)}

-> -1200-24= -1224