Question

1. three and eight tenths
2. one and one tenth

Explanation:

Step1: Convert to decimal (Q1)

"Three and eight tenths" means 3 + $\frac{8}{10}$ = 3.8

Step2: Convert to mixed number (Q1)

"Three and eight tenths" is written as $3\frac{8}{10}$, simplified to $3\frac{4}{5}$

Step3: Convert to decimal (Q2)

"One and one tenth" means 1 + $\frac{1}{10}$ = 1.1

Step4: Convert to mixed number (Q2)

"One and one tenth" is written as $1\frac{1}{10}$

Answer:

1. decimal number: 3.8

fraction or mixed number: $3\frac{4}{5}$

1. decimal number: 1.1

fraction or mixed number: $1\frac{1}{10}$