A.1
B.10
C.121
D.1000
Show AnswerAnswer=Option D
Surds and Indices
(0.04)-1.5 = ______?
A.25
B.125
C.250
D.625
Show AnswerAnswer=Option B
(25)7.5 x (5)2.5 ÷ (125)1.5 = 5______?
A.8.5
B.13
C.16
D.17.5
E.None of these
Show AnswerAnswer=Option B
(256)0.16 x (256)0.09 = ______?
A.4
B.16
C.64
D.256.25
Show AnswerAnswer=Option A
If 3(x – y) = 27 and 3(x + y) = 243, then x is equal to:
A.0
B.2
C.4
D.6
Show AnswerAnswer=Option C
If 5a = 3125, then the value of 5(a – 3) is:
A.25
B.125
C.625
D.1625
Show AnswerAnswer=Option A
Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to:
A.1.45
B.1.88
C.2.9
D.3.7
Show AnswerAnswer=Option C
(17)3.5 x (17)? = 178
A.2.29
B.2.75
C.4.25
D.4.5
Show AnswerAnswer=Option D