exam Maths Puzzle Numerical Ability

Round 413.74 to fine decimal places.

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exam Other Question

write an equation that expresses the relationship. Use k as the constant of variation.
d varies directly as the square of y

a) d= k sqrt y

b) d= k/sqrt y

c) d= ky^2

d) d= k/ y^2
use operation symbols, parentheses, and the numbers 1,2,3, and 4 to express the numbers from 1 to 15. for examp;e,
2+3-(4x1)=1.