1: Simplify the expression:



0

1

3

27




2: If log_yx = -5, calculate log_yx³y⁴.

-11

4

5

12



3: Simplify the expression:













4: Simplify the expression:













5: Simplify the expression:













6: Simplify the expression:



0.25

0.5

0.75

1.25



7: If and , then

1.35

1.545

1.675

1.75



8: If and , then

1.665

1.845

1.975

2.245





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