2.Simplify.
(a)2x103=___________.
(b)72×2=____________.
(c)33×42=___________.
(d)52×23=___________.
(e)3×24=____________.
(f)112×0=____________.
(g)24×32=___________.
(h)152×0=___________.
(i)(-3)2×(-2)4=________.
(j)62×33=___________.
(k)(-2)4×(-10)=__________.
(l)(-3)2×(-2)4=__________.
(m)28×0=____________.
(n)(-7)3×2=___________.
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Answer:
(a)2x103= 206
(b)72×2= 144
(c)33×42= 1386
(d)52×23=1196
(e)3×24=72
(f)112×0=0
(g)24×32=768
(h)152×0=0
(i)(-3)2×(-2)4=48
(j)62×33=2046.
(k)(-2)4×(-10)=80
(l)(-3)2×(-2)4=48
(m)28×0=0
(n)(-7)3×2= - 42
Step-by-step explanation:
(a)2x103= 2 (100 + 3)= 200 + 6 = 206
(b)72×2= 144
(c)33×42=1386
(d)52×23= 23(50 + 2) = 1150 + 46 =1196
(e)3×24=72
(f)112×0=0
(g)24×32=768
(h)152×0=0
(i)(-3)2×(-2)4= (-6) × (-8) = 48
(j)62×33=2046
(k)(-2)4×(-10)= (-8)×(-10) = 80
(l)(-3)2×(-2)4= (-6) × (-8) = 48
(m)28×0=0
(n)(-7)3×2=(-21) × 2 = -42
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