Question

one and one tenth
two and four tenths
five and nine tenths
eight tenths
decimal number
fraction or mixed number

Explanation:

Step1: Convert "one and one tenth"

Decimal: $1 + \frac{1}{10} = 1.1$
Mixed number: $1\frac{1}{10}$

Step2: Convert "two and four tenths"

Decimal: $2 + \frac{4}{10} = 2.4$
Mixed number: $2\frac{4}{10}$

Step3: Convert "five and nine tenths"

Decimal: $5 + \frac{9}{10} = 5.9$
Mixed number: $5\frac{9}{10}$

Step4: Convert "eight tenths"

Decimal: $\frac{8}{10} = 0.8$
Fraction: $\frac{8}{10}$

Answer:

Phrase	decimal number	fraction or mixed number
two and four tenths	$2.4$	$2\frac{4}{10}$
five and nine tenths	$5.9$	$5\frac{9}{10}$
eight tenths	$0.8$	$\frac{8}{10}$