the decimal number for 3 & 9/10 is 3.90
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8/10 in the tenths place
The 4 is in the tenths place, so in 2.4 we have 2 ones and 4 tenths. We can also write the decimal 2.4 as a mixed number 2 4/10 or equivalently as 2 2/5.
6/10 - six tenths
Ah, writing numbers in words is like painting a happy little tree. To write 0.79 in words, you would say "zero point seven nine." Just like that, you've created a beautiful verbal picture of the number 0.79.
In the number 3.5, the digit 5 has a place value of five tenths, which is equivalent to 0.5. This is because the decimal point separates the whole number part (3) from the fractional part (0.5). In this case, the digit 5 is in the tenths place, representing 5 tenths or half of a whole.