Data task 30: A New Zealand Level 2 learner connects multiple ideas in an applied local or national context. Solve 2^x = 128.
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Match equal powers of 2.
Practice New Zealand questions with answers and explanations.
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Match equal powers of 2.
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Add the equations to obtain 3x.
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Use A=P(1+r)^n.
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Match equal powers of 2.
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Add the equations to obtain 3x.
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Use A=P(1+r)^n.
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sin θ=opposite/hypotenuse.
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Use the weighted mean.
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Conditional probability P(B|A)=P(A∩B)/P(A).
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Use aₙ=a₁r^(n−1).
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Apply the zero-product property.
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Substitute the x-value.