SSAT Upper Level Math: Exponents and Roots (1) Practice Test 17

1.

• A. (x²)
• B. x²⁴
• C. x⁵
• D. x²
• E. 24x

2. Simplify the variable expression:

• A.
• B.
• C.
• D.
• E.

3.

• A.
• B.
• C.
• D.
• E.

4. Calculate 3a – b² when a = 6 and b = 4.

• A. 0
• B. 1
• C. 2
• D. 14
• E. 34

5. If (x^a)³ = x¹⁵ and = x⁷, then b -a =

• A. –4
• B. –2
• C. 2
• D. 4
• E. 14

6. If abc ≠ 0, a⁰ + b⁰ + c⁰ =

• A. abc
• B. 0
• C. 1
• D. 3
• E. It cannot be determined from the information given.

7. If 0 < x < 1, which of the following inequalities is correct?

• A. < x < x²
• B. x² < x <
• C. x < x² <
• D. < x² < x
• E. x < < x²

8. (2.4 × 10^x)(3.0 × 10^y) =

• A. 72 × 10^{x + y}
• B. 7.2 × 10^{x + y}
• C. 7.2 × 10^{x + y + 1}
• D. 7.2 × 10^xy
• E. 72 × 10^xy

9. 100,000 + (4.0 × 10³) =

• A. 4,000
• B. 10,040
• C. 10,400
• D. 100,400
• E. 104,000

10. =

• A. 3
• B. 9
• C. 9
• D. 18
• E. 81