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I want to buy 40 iPads for $200 each. What equation could I use to figure out my price? (4 x 20) x 10^4 (4 x 2) x 10^3 (4 x 2) x 10^2
(4 x 2) x 10^3
What is the rule for rounding? :)
5 or more, let it soar 4 or less, let it REST (don't go down a number, stay the same!)
3 x 10^3 = ?
3,000