Exponents: Practice Questions ACT

Get top class preparation for competitive exams right from your home: get questions, notes, tests, video lectures and more- for all subjects of your exam.

1. 0.00875 equals:
   1. 8.75 × 10 − 2
   2. 8.75 × 10 − 3
   3. 8.75 × 10 − 3
   4. 87.5 × 10 − 4
   5. 87.513 × 104

   Answer: b

2. 104 is not equal to which of the following?
   1. 100,000
   2. 1.0 × 10
   3. 10 × 10 × 10 × 10
   4. 10 × 10
   5. 10,000

   Answer: a

3. Multiply 104 by 102
   1. 10
   2. 10
   3. 10
   4. 10
   5. 101

   Answer: c

4. Divide x5 by x2
   1. x
   2. x
   3. x
   4. x
   5. x2.5

   Answer: d

5. Find 8.23 × 109
   1. 0.00000000823
   2. 0.000000823
   3. 8.23
   4. 8230000000
   5. 823000000000

   Answer: d

6. 83,000 equals:
   1. 83.0 × 10
   2. 8.3 × 10
   3. 8.3 × 10
   4. 83.0 × 10
   5. 83.0 × 10 − 7

   Answer: b