Rationalise the denominator of 3/√5.
3
3√5/5
3/√5
3√5
√5 + √5 = _______.
√10
√5
2√5
5
(-2/8)2 =
1/16
-1/6
2/16
4/16
The standard from of 0.0000005 is ____________
5 × 107
5 × 10-7
5 × 106
5 × 10-6
(-7/10)3 ÷ (-7/10)9 = ________________
(-1/10)12
(-10/7)12
(-7/10)-6
(-10/7)6
Simplify
39√3+1
78√3
((2/5)2)3 × (1/5)-4 × 5-1 × 1/4
23/53
24/53
24/52
None of these
One rational number between 4/3 and 7/5 is ______.
28/30
-1/30
41/30
23/30
(3√5)2 = _________________
45
9√5
225
√2 is ___________
a natural number
a rational number
an irrational number
