2^-3×(-7)^-3
simplify this question
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Answer:
-1/2744
Step-by-step explanation:
2^-3×(-7)^-3
= 1/2^3 * 1/(-7)^3
= 1/8 * 1/-343 (AS -7 * -7 * -7 = -343)
= 1/8 * -1/343
= -1/2744
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