exam Maths Puzzle Numerical Ability

how do you simplify (-3/2^3)^-2?

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exam Other Question

fine three consecutive even integers such that the sum of the smallest and twice the second is 20 more than the third I need help, PLEASE~~

t/3-t+7<-4t/3+8

that is supposed to be is less then or equal, too, i think i didnt know how to put the line under it!