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B
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Difficulty—
Given that
a = -0.283
b = a^2
c = a^3
d = a^4
Which of the following options correctly describes the relationship between the 4 numbers?
A. a < b < c < d
B. a < c < d < b
C. c < a < d < b
D. a < c < b < d
E. d < c < b < a
The OA is B.
For convenience, consider a = -0.3,
Hence,
a = -0.3
b = 0.09
c = -0.027
d = 0.0081
So, we can say a < c < d < d. Option B.
Please, can anyone explain another way to solve this PS question? Thanks!
a = -0.283
b = a^2
c = a^3
d = a^4
Which of the following options correctly describes the relationship between the 4 numbers?
A. a < b < c < d
B. a < c < d < b
C. c < a < d < b
D. a < c < b < d
E. d < c < b < a
The OA is B.
For convenience, consider a = -0.3,
Hence,
a = -0.3
b = 0.09
c = -0.027
d = 0.0081
So, we can say a < c < d < d. Option B.
Please, can anyone explain another way to solve this PS question? Thanks!
