42 × 102 = _____________
402
160
1600
142
Simplify 32 x 34.
32
36
63
38
Find the value of 63
18
24
216
76 ÷ 72 = __________.
73
74
14
13
56 × 53 = _____________.
259
2518
59
518
am ÷ an = _________.
am-n
amn
a m + n
None of these
Find the value of 7.3 x 10 7 - ( 8.5 x 10 5 )
721.5 x 105
718 . 5 x 105
1.2 x 10 5
1.2 x 107
Using indices simplify 2 x 2 x 2 x 2 x 2.
5 x 2
52
25
am x an = ______.
a m - n
a m+n
Write out 43 x 63 in full.
4 x 3 x 6 x 3
4 x 4 x 6 x 6
4 x 4x 4 x 6 x 6 x 6