help me pls and give correct answers its very urgent
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8) b. 4/2×4/2×4/2×4/2÷(1/2) ^3
= 2×2×2×2÷(1/2) ^3
= 16÷(1/2) ^3
= 16× 2^3
= 16×8
= 128
9) c. 2x
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