E-PolyLearning

1. (17)^3.5 x (17)? = 17^8
a. 2.29
b. 2.75
c. 4.25
d. 4.5
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Answer: (d).4.5

2. Given that 10^(0.48) = x, 10^(0.70) = y and x^z = y^2, then the value of z is close to:
a. 1.45
b. 1.88
c. 2.9
d. 3.7
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Answer: (c).2.9

3. If 5^a = 3125, then the value of 5^(a - 3) is:
a. 25
b. 125
c. 625
d. 1625
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Answer: (a).25

4. If 3^(x - y) = 27 and 3^(x + y) = 243, then x is equal to:
a. 0
b. 2
c. 4
d. 6
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Answer: (c).4

5. (256)^0.16 x (256)^0.09 = ?
a. 4
b. 16
c. 64
d. 256.25
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Answer: (a).4

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