rounding numbers. rules for rounding off numbers if the digit to the immediate right of the last sig...
TRANSCRIPT
ROUNDING NUMBERS
RULES For Rounding Off Numbers
If the digit to the immediate right of the last sig fig is less than five, do not change, let rest. 2.532
If the digit to the immediate right of the last sig fig is greater than five, round up the last sig fig. 2.536
(Round the following numbers to three sig fig).
2.53
2.54
Even ….. Leave it
Odd …. Round up
RULES For Rounding Off Numbers(Round the following numbers to three sig fig).
If the digit to the immediate right of the last sig fig is equal to five and is followed by a nonzero digit, round up. 2.5351 2.54
515253545556575859
If the digit to the immediate right of the last sig fig is equal to five and is followed by a zero, look at the last sig fig. If it is odd digit, round it up.
2.5250
2.5350 2.54
2.52
2.5349
If it is an even digit, do not round it up; leave it!
Odd….round up
Even….leave it
2.53
81.889(three)
81.9
Example:
65.824(three)
65.8
Example:
843 (two)
84840
Example:
3,381 (two)
343,400
Example:
48 (one)
50
Example:
0.005026(three)
0.00503
Example:
5.7849(three)
5.78
Example:
5.7858 (three)
5.79
Example:
5.7850 (three)
5.78
Example:
5.7350 (three)
5.74
Example:
WHITEBOARD PRACTICE
889 (one)
900
Practice:
485 (two)
480
Practice:
19.848(three)
19.8
Practice:
35.624(two)
36
Practice:
88 (one)
90
Practice:
7,751 (two)
7,800
Practice:
85 (one)
80
Practice:
0.007335(three)
0.00734
Practice:
0.00008850(one)
0.00009
Practice:
0.000045098 (one)
0.00004
Practice:
0.000045258 (one)
0.00005
Practice:
75,091 (one)
80,000
Practice: