Vitoria14
Vitoria14
09-04-2015
Mathematics
contestada
How much is 20 x 20?
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Ausar318
Ausar318
09-04-2015
the easiest way to find the answer is to multiply 2 x 2 and then add two zeros on the end. the answer is 400
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diamondortiz17
diamondortiz17
09-04-2015
400. 20×20=400 Its just like 2×2 but adding 2 more 0's. Why you should add the two 0's is because theres only one 0 at the end of 20 but there 2 20's which makes it 400.
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