It is: 40 and 9/10 = 40.9 as a decimal
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Forty and nine tenths can be written as 40.9 in decimal form. This is because the digit 9 in the tenths place represents nine tenths, or 0.9. Therefore, when combined with the whole number 40, it becomes 40.9.
40.9
The number 46.5 is the written decimal form for forty six and five tenths.
To write nine tenths as a decimal, it looks like this: .9
The number is nine and four tenths; or nine and forty one hundredths.
Forty nine hundredths as a decimal is written as 0.49. This is because the decimal point separates the whole number part (0) from the fractional part (0.49), where the 4 is in the tenths place and the 9 is in the hundredths place. This can also be expressed as 49/100 in fraction form.