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Powers and standard form: math practice, grade 8
Practise “Powers and standard form” 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.
Example problems
These are only examples: the practice makes new tasks every time.
4⁻¹ = ?
Answer
1/4
a⁻⁶ ÷ a⁵ = aⁿ
n = ?Answer
−11
82000000 = 8.2 × 10ⁿ
n = ?Answer
7
2900 = 2.9 × 10ⁿ
n = ?Answer
3
0.076 = 7.6 × 10ⁿ
n = ?Answer
−2
(6 × 10²) × (8 × 10⁶) = ?
Answer
4.8 × 10⁹