What is the value of 2 × 10-7 ÷ 10-8
20
2 × 1015
2 × 10-2
2 × 100
Which number added to 1/9 + 1/5 gives 7
6 1/14
6 4/45
6 14/45
6 31/45
0.01 × 0.3 ÷ 0.4 × 0 .5 = ?
0.015
.0375
.00375
0.1
(35x2 + 49y2)/35xy
(25x2 + 49y2)/35xy
(25x2 + 7y2)/35xy
None of these
1/a - 1/b is equivalent to
ab/b - a
b + a/ab
b - a/ab
a - b/ab
72.8 × 103 =
7280
72800
728000
728
What is the reciprocal of 9 1/11
9/11
100/11
11/100
10/11
7000 × 10-3 =
70
700
0.7
7
.0001 × 105 =
1
10
100
1000
The value of 1.69/1.3
13
.13
1.3
130
