Answer :

To find the value of the digit 5 in the number 457, we need to understand its place in the number. The number 457 is composed of three digits: 4, 5, and 7.

1. Identify the place value of each digit:
- The digit 4 is in the hundreds place.
- The digit 5 is in the tens place.
- The digit 7 is in the units place.

2. Determine the value of the digit 5:
- In the tens place, the value of the digit is: [tex]\(5 \times 10 = 50\)[/tex].

So, the digit 5 in the number 457 has a value of 50.