Simplify and write in exponential form with negetive exponent: (-7)^3 ×(1/-7)^-9 ÷ (-7)^10
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Answered by
0
Answer:
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Answered by
2
Answer:
(-1/7)^-2
Step-by-step explanation:
(-7)^3=(1/7)-3
(-7)^10=(-1/7)-10
(-7)^3×(1/-7)^-9÷(-7)^10
=(-1/7)^-3×(1/-7)-9÷(-1/7)^-10
=(-1/7)^-3+-9+10
=(-1/7)^-2
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