The property used in (742 + 326) + 402 = 742 + (326 + 402) is.
Closure
Commutative
Associative
Addition by zero
5142 - 0 =
0
5142
1
None of these
6422 - _________ = 6422.
6422
The sum of 3742001 and 3125672 is.
6867673
6866673
68675773
6857673
Round 2311 to the nearest 1000.
2400
3000
2000
2300
Round 34 to the nearest 10.
30
35
40
45
0 + 2583 = ___________.
2583
Multiply 3125 by 96?
30000
300000
3000000
2461 × 0 =
2461
24610
2460
Round 786 to the nearest 100.
700
750
790
800