Final answer:
To find an expression that is 0.5 times as large as the number 342156, you multiply 342156 by 0.5 which results in 171078.
Step-by-step explanation:
The expression that is 0.5 times as large as 342156 can be found by multiplying 342156 by 0.5 (which is the same as dividing by 2). The step-by-step calculation is as follows:
- First, take the number 342156.
- Multiply it by 0.5: 342156 × 0.5 = 171078.
Therefore, the expression that is 0.5 times as large as 342156 is 171078.