Perform the following calculations on 3.31
Estimation, Accuracy, Precision, Percentage conversion, Truncate
Step 1: Look at the decider digit:
Decider Digit = 1st decimal place
The first decimal place in 3.31 is 3
Step 2: Evalute the decider digit (3):
Since 3 is < 5, we round down to 3
3.31 estimated is 3
Convert 3.31 to a percentage
Percentage = 100% * 3.31
Percentage = 331%
Convert 3.31 to a fraction
2 decimal places means we multiply by 102
| 102 * 3.31 | |
| 102 |
| 100 * 3.31 | |
| 100 |
Fraction = 331/100
Write 3.31 in word notation
3.31 = three point three one
Draw 3.31 on a number line:
Calculate the floor of 3.31
The floor is the greatest integer less than or equal to 3.31
Calculate the Floor for 3.31 = 3
Calculate the ceiling of 3.31
The ceiling is the least integer greater than or equal to 3.31
Calculate the Ceiling of 3.31 = 4
Determine the precision and accuracy (scale) of 3.31
Take precision first and then accuracy
Precision Definition:
The number of digits in the number
Precision Calculation for 3.31:
3.31 has 3 digits listed below
Digit 1 → 3
Digit 2 → 3
Digit 3 → 1
Precision = 3
Accuracy Definition:
The number of digits to the right of the decimal point
Accuracy Calculation for 3.31:
Digit to the right of the decimal place 1 → 3
Digit to the right of the decimal place 2 → 1
Accuracy = 2
Truncate 3.31
Do it to 1 decimal places
Truncate Definition:
Chop off decimal places
Evaluate decimal places:
Keep the 1 decimal in red
Drop the decimal places in black
3.31
3.31 truncated to 1 decimal place = 3.3
Truncate 3.31
Do it to 2 decimal places
Truncate Definition:
Chop off decimal places
Evaluate decimal places:
Keep the 2 decimals in red
Drop the decimal places in black
3.31
3.31 truncated to 2 decimal places = 3.31
Final Answers:
Percentage = 331%
Fraction = 331/100
3.31 = three point three one
Accuracy = 2
3.31 truncated to 1 decimal place = 3.3
3.31 truncated to 2 decimal places = 3.31
