exam Maths Puzzle Numerical Ability

Multiply (x + 2y)^4

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exam Other Question

Simplify the given expression by using properties of exponents. Write your final answer with only positive exponents.

[(5x^-1 z^7)^-4]^-9 the amount of garbage produced by our society requires that every work to recycle .each person in the united state produces an average or 3.5 pounds of trash a day.