is 5.21 a rational number
ANSWERS
2015-11-11 23:18:34
yes; since 9 over 10 is 0.9 as a decimal, 5 and then 21 over 100 is 5.21 as a decimal.
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yes; since 9 over 10 is 0.9 as a decimal, 5 and then 21 over 100 is 5.21 as a decimal.