express 16^-2as a power with base 2
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Answered by
127
16^-2
=(2×2×2×2)^-2
=(2^4)^-2
=2^-8
or1/2^8
=(2×2×2×2)^-2
=(2^4)^-2
=2^-8
or1/2^8
Answered by
86
We know that, 16 = 2×2×2×2 = 2⁴
∴ 16⁻² = (2⁴)⁻²
= 2⁴ˣ⁽⁻²⁾
=2⁻⁸ (answer)
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