sqrt(28) + sqrt(63) =
sqrt(7 x 4) + sqrt(7 x 9) =
[ sqrt(7) x sqrt(4) ] + [ sqrt(7) x sqrt(9) ] =
2 sqrt(7) + 3 sqrt(7) =
5 sqrt(7) = 13.229 (rounded)
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28.065
No.
It is 25.065
Twenty-eight and sixty-seven hundredths.
Eleven million, seven hundred sixty thousand, eight hundred twenty-five.