please check my answers

1.Write each of the following as a common fraction or mixed number.4.0171=. 4 171/10,000
2.Arrange in order from smallest to largest.2.05,25/10 , 2.0513, 2.059,251/100 , 2.0515, 2.052, 2.051
3. 27.4 � 213.321 � 39.38 add=280.101
4.45.6
� 8.75subtract =. 36.85

1. To express the decimal 4.0171 as a common fraction or mixed number, you can follow these steps:

First, count the number of decimal places after the decimal point, which is 4.

Second, write down 4.0171 as a fraction by putting the decimal part (0171) over 10,000 since there are four decimal places:

4.0171 = 4 + 0171/10,000

Therefore, the answer is 4 171/10,000.

2. To arrange the given numbers in order from smallest to largest, you can compare and order each number. Here is the correct order:

2.05 < 2.051 < 2.0513 < 2.0515 < 2.052 < 2.059 < 25/10 < 251/100

So, the correct order is:
2.05, 2.051, 2.0513, 2.0515, 2.052, 2.059, 25/10, 251/100.

3. To add the numbers 27.4, 213.321, and 39.38, follow these steps:

Sum = 27.4 + 213.321 + 39.38

Align the decimal points:

27.4
+ 213.321
+ 39.38
---------
280.101

So, the sum is 280.101.

4. To subtract the number 8.75 from 45.6, follow these steps:

Difference = 45.6 - 8.75

Align the decimal points:

45.6
- 8.75
---------
36.85

Therefore, the difference is 36.85.