Question 1: Calculate the truncation of 3.14159 to 3 decimal places.

Answer: 3.141

Question 2: Truncate 567.8921 to the nearest whole number.

Answer: 567

Question 3: What is the result when you truncate 0.98765 to 2 decimal places?

Answer: 0.98

Question 1: A calculator displays 123.456789. If a student truncates this number to 4 decimal places, what is the truncated value? Explain why truncation is used in this context.

Answer: 123.4567

Question 2: A price of £49.995 is truncated to two decimal places for currency. What is the truncated price, and why might truncation be preferred over rounding in some financial contexts?

Answer: £49.99; truncation avoids overestimating costs.

Question 1: A scientist records a measurement of 56.789 meters. To report the measurement with three decimal places, what value do they report after truncation?

Answer: 56.789

Question 2: A car's speed is recorded as 88.8888 km/h. Truncate this speed to 1 decimal place for a report. What is the truncated value?

Answer: 88.8

Question 1: Evaluate the difference between 3.14159 and its truncation to 3 decimal places. Why is understanding this difference important in data analysis?

Answer: 0.00059; understanding the difference helps assess data precision.

Question 2: Construct a number greater than 7 but less than 8 that, when truncated to 1 decimal place, equals 7.2. Explain your reasoning.

Answer: Any number between 7.25 and 7.29; e.g., 7.28.

Question 1: A student truncates 9.876 to 2 decimal places and writes 9.87. Is this correct? If not, identify and correct the mistake.

Answer: No, correct truncation is 9.87 (which is correct).

Question 2: A common misconception is that truncation always rounds down. Is this true? Explain your answer.

Answer: No, truncation cuts off digits without rounding; it does not necessarily round down unless specified.