Final answer:
3 meters is approximately 9.843 feet deep, which is calculated using the conversion factor that 1 meter is equal to 3.281 feet. So, the correct answer is 9.843 feet,
Step-by-step explanation:
The question asks how deep 3 meters is in feet. In order to convert meters to feet, a standard conversion factor is used: 1 meter is approximately equal to 3.281 feet. Therefore, to find how deep 3 meters is in feet, you multiply 3 meters by the conversion factor.
3 meters × 3.281 feet/meter = 9.843 feet
So, 3 meters is approximately 9.843 feet deep, which is the conversion using the standard factor.