Question

By what number should (-7/3)^-3 be divided so that the quotient may be (9/42)^-2 ?
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Answer 1

Answer:

12/7

Step-by-step explanation:

divisor=divident ×quotient+remainder. so divisor=(-7/3)^-3 ×(9/42)^-3+0 so devisor= {-3/7}^3×(42/9)^2=-27/343×42×42/81=12/7