\(-64.\left(-0,5\right)^7\)
\(=-64.\left(\dfrac{1}{2}\right)^7\)
\(=-64\cdot\dfrac{1}{128}\)
\(=-\dfrac{1}{2}\)
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\(-64.\left(-0,5\right)^7\)
\(=-64.\left(\dfrac{1}{2}\right)^7\)
\(=-64\cdot\dfrac{1}{128}\)
\(=-\dfrac{1}{2}\)