exam Maths Puzzle Numerical Ability

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Find the variation constant and an equation of variation where y varies directly as x and y=80 when x=10.

The variation constant is K=_____
The equation of variation is y=_____

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exam Other Question
how do you write 62,040,6.2 x 10^-2, 6.207 x 10^-3, 6.34 x 10^-1 in order from least to greatest? Match the letter of the term on the right to the definition of that term on the left.

1.The average of the squared deviation scores from a distribution mean.
2.Midpoint in th