Express 16 to the power minus 4 as a power with base 2
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We know that, 16 = 2×2×2×2 = 2⁴
∴ 16⁻² = (2⁴)⁻²
= 2⁴ˣ⁽⁻²⁾
=2⁻⁸ (answer)
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