The standard form of 600000 is ________ .
600000
6×105
60 ×104
None of these
The standard form of 720 ×106 is ________ .
7200000
7200 ×105
7.2 ×108
none of these
3.65 m = ________ .
36.5 mm
365 mm
3650 mm
3.65 mm
4 cm = _______
4 mm
40 mm
400 mm
0.4 mm
The common difference of the sequence 5,9,13,17,..... is _______ .
5
17
6
4
250 cm = _____ .
2.50 m
25 m
250 m
2500 m
200C = _______ .
680F
700F
650F
820F
If un+1=un+5 and u1=3,then u3=_______ .
3
8
13
18
Round 68786 to the nearest 1000.
69000
68000
68600
68700
-5 belongs to _________ .
N
Z
Q
both (2) and (3)