Printable worksheets
Powers & roots
Powers, square roots and scientific notation.
Loxivia · Oct 16, 2026 · 8 questions
Warm-up
- Powers roots — practice 1 — Answer the quick questions.
- Powers roots — practice 2 — Answer the quick questions.
- Powers roots — practice 3 — Answer the quick questions.
- Powers roots — practice 4 — Answer the quick questions.
Practice
-
1. 7 is an even number. (Powers & roots)
a) False b) True -
2. What is √100? (Powers & roots)
a) 11 b) 50 c) 10 d) 9 -
3. What is √81? (Powers & roots)
a) 10 b) 40.5 c) 9 d) 8 -
4. sin(30°) = 1/2. (Powers & roots)
a) False b) True -
5. What is 13 × 16? (Powers & roots)
= ______________________
-
6. Write 40000 in scientific notation. (Powers & roots)
a) 4 × 10^4 b) 5 × 10^4 c) 4 × 10^3 d) 4 × 10^5 -
7. What is 3^3? (Powers & roots)
a) 9 b) 27 c) 24 d) 30 -
8. What is 17 × 11? (Powers & roots)
= ______________________