Estimate is of the following using general rules
Answer: The problem is underdetermined because no numbers or arithmetic expression were provided. Under the general rule of estimation, each number is rounded off to its greatest place value before carrying out the arithmetic operation.
Step-by-step solution
Step 1: Identify missing information
The specific arithmetic expression or numbers to estimate were not provided in the problem statement. According to NCERT general rules, estimation requires rounding each given number to its greatest place value before performing the operation.
Step 2: State the general rule of estimation
Under the general rule of estimation in Class 6 mathematics, each number is rounded off to its greatest place value. For example, a 3-digit number is rounded to the nearest hundred, and a 4-digit number is rounded to the nearest thousand, followed by addition, subtraction, or multiplication.