exam Maths Puzzle Numerical Ability

Divide
4d exponent 9 m exponent 6 * 10d exponent 9 m exponent 6
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2d exponent 9 m exponent 9

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exam Other Question

Evaluate: |-30|x|1/5 - 1/3| hi i cant seem to work out how to get the formulas that contains n.
terms 1 2 3 4 5 6 7 8 9 n
sequences 10 40 90 160 250 36