Step-by-step explanation:
1.) 5(-2)²
= 5(4)
= 20
2.) ½ x (-4)^0
= ½x(1)
= ½
3.) -2 (-2)²
= -2(4)
= -8
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Step-by-step explanation:
1.) 5(-2)²
= 5(4)
= 20
2.) ½ x (-4)^0
= ½x(1)
= ½
3.) -2 (-2)²
= -2(4)
= -8