To convert a decimal to a percentage, you multiply by 100. Therefore, to convert 4.28 to a percentage, you would multiply 4.28 by 100 to get 428%. So, 4.28 is equal to 428% in percentage form.
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1 = 100%
it may help also if you think 0.5 is half and that's 50%
so 4.28 = 428%
The factors of 428 are 1, 2, 4, 107, 214, and 428.
.42 is smaller than .428
428 round to the nearest ten is 430.
To find the number, add 199 and 428. The answer is 627.
400