Which of the following is correct for (-3)3?
27
-27
1
1/27
Express 0.0000089 in standard form.
89 × 107
89 × 10-7
90 × 104
90 × 10-3
25-3 is equal to
25 × 25 × 25
252/25
25/252
1/253
74 × 7-5 × 710 × 76 = ________.
7-15
720
718
715
If 2x+13 = 4x+2, then 'x' is equal to
2
9
7
8
100o = __________
0
100
None of these
Express 172450000 in standard form
1.7245 × 108
17245 × 10-4
17245/10-5
Find the value of K for which 5k ÷ 5-2 = 59
5
-3
-9
(5/2)-2 = ____________.
25/4
-4/25
4/25
25/2
(-12)-6 × (-12)4 = __________.
(-12)2
(12)-2
(-12)-2
