How many sig figs
0.00230
1.98 + 2.6
4.6
89.3 - 3.45
85.8
4.5 x 4.21
19
4.5 / 3.23
1.4
340,000
2
3.24 + 4
7
34.6 - 24
11
30,000 x 8.7
300,000
2,000 / 45
40
3.042
4
82.93 + 34.137
117.07
408.978 - 34.56
374.42
5.67 x 1.3
7.4
456 / 3.46
132
5
1.00 + 2.34
3.34
34,675 - 23.9
34,651
200 x 101
20,000
0.0036 / 0.02
0.2
30,000.
5
0.003 + 4.6
4.6
0.034 - 0.0026
0.031
0.450 x 300.
135
3001 / 9.03
332