aⁿPowers: math practice, grade 7

Practise “Powers” online for free. Five right answers in a row make the tasks harder, two mistakes in a row make them easier. Right answers earn coins for games.

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Example problems

These are only examples: the practice makes new tasks every time.

1. a⁸ × a⁷ = aⁿ
   n = ?

   Answer

   15

2. a¹³ ÷ a⁶ = aⁿ
   n = ?

   Answer

   7

3. (a⁷)² = aⁿ
   n = ?

   Answer

   14

4. (a⁶)⁴ = aⁿ
   n = ?

   Answer

   24

5. 2⁴ × 2⁶ ÷ 2¹ = ?

   Answer

   512

6. (−2)⁴ = ?

   Answer

   16

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