51 50 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 less than five, do not change, let rest. 2.532 2.53 If the digit to the immediate right of the last sig fig is greater than five, round up the last sig fig. 2.536 2.54
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 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. 51 52 53 54 55 56 57 58 59 Odd….round up 2.5350 2.54 If it is an even digit, do not round it up; leave it! 2.5250 2.52 Even….leave it 2.5349 2.53
718.62(three) 719
5.725(three) 5.72
2,457 (two) 2,500
694 (two) 690
38 (one) 40
0.007048(three) 0.00705
1.6649(three) 1.66
9.2958 (three) 9.30
5.558 (one) 6
5.7350 (two) 5.7
929 (one) 900
325 (two) 320
24.345(three) 24.3
88.640(two) 89
19 (one) 20
3,451 (two) 3,500
45 (one) 40
0.009255(three) 0.00926
0.00008455(one) 0.00008
0.000035098 (one) 0.00004
0.000065658 (one) 0.00007
45,089 (one) 40,000
55,079 (one) 60,000