exam
Maths Puzzle
Numerical Ability
simplify: (5y)(-6y4) the last four is to the fourth power.
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exam Other Question
simplify:
(2x SQRT of 2x)(3 SQRT of 5x)
I really am having a hard time with this problem. the 2x in the middle confuses me.
-4x is less than or equal to 2x<18