The standard from of 0.0000005 is ____________.
5 × 107
5 × 10-7
5 × 106
5 × 10-6
(7/2)o × 2 =
0
2
7
None of these
( √3 - √2 )2 is a /an _____ number.
Rational
Irrational
Real
Two rational numbers a/b and c/d are equal iff ________.
ad = bc
ac = bd
ab = cd
a2 = bc
0 is a/an ______ number.
Prime
Odd
12
18
20
24
Every irrational number is a
Real number
Whole number
Integers
Even Number
The reciprocal of (-2/5)3 = ___________.
-8/15
125/8
-125/8
15/8
(-7/10)3 ÷ (-7/10)9 = ___________.
(-1/10)12
(-10/7)12
(-7/10)-6
(-10/7)6
is a ______ number.
Rational number
Irrational number
Prime number
