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Exponents and Powers — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSExponents and Powers1 Mark
Question
Find the value of:
$-(-4)^4$
✓

Answer

$-(-4)^4$
$=[(-4) \times(-4) \times(-4) \times(-4)]\left[\because(-1)^{\mathrm{n}}=-1, \mathrm{n} \text { is even }\right]$
$=-\left[(-1)^4 \times(4 \times 4 \times 4 \times 4)\right]$
$=(256)=-256$

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