Let's break this down step by step.
-
Calculate the sum: \[ 145 + 23 = 168 \]
-
Value of the digit 4 in 145: The digit 4 is in the tens place, so its value is: \[ 4 \times 10 = 40 \]
-
The sum is: The sum we calculated earlier is: \[ 168 \]
-
The second digit in the sum represents: In the sum 168, the second digit is 6 (which is in the tens place), representing: \[ 6 \times 10 = 60 \text{ (or 6 tens)} \]
Here’s a summary of the answers:
- The value of the digit 4 in 145 is 40.
- The sum is 168.
- The second digit in the sum represents 6 tens.