730%, because 3/10 is 0.3 plus 7 equals to 7.3 times 100% which equals to 730%.
if my math is right it would be 730%
To convert 7 10 3 to a percent, first convert it to an improper fraction, resulting in 10 73 . Then, change the fraction to a decimal (7.3), and multiply by 100 to get 730% . Hence, 7 10 3 = 730% .
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