exam
Maths Puzzle
Numerical Ability
how do you write 10^-3, 5 x 10^-3, 8 x 10^-2, 4 x 10^-1 in order from least to greatest?
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exam Other Question
The length of a rectangle is 3 in. more than twice its width. If the perimeter of the rectangle is 36 in., whatt wioud be the width of the rectangle.
If 2 ipods and 3 movie downloads cost $31
If 2 ipods and 2 movie downloads cost $29
What is the cost of each?
use x for ipods and y for downloads.