4.9 is the decimal equivalent.
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10 and nine tenths can be written as a decimal as 10.9. When converting a decimal to a mixed number, the whole number part remains the same, and the decimal part becomes the fractional part. In this case, 10.9 is equivalent to 10 and 9/10 as a mixed number.
Expressed as a mixed number in its simplest form, 7/10 x 11/10 = 7 7/10 or seven and seven tenths. Expressed as a decimal, this is equal to 7.7.
The mixed number of 17 and 4/10 is 17.4 as a decimal
3/10=0.3 Since it is less than one, it cannot be written as a mixed number.
See the answer below.