10 questions🇬🇧English
⚡ Laws of Indices – Year 9
Maths · Year 9 (KS3) — multiplying, dividing and raising powers, plus zero, negative and fractional indices
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Questions
Simplify a⁴ × a³:
2a⁷
a⁷
a¹²
a¹
20s
Simplify x⁹ ÷ x³:
x³
x¹²
x²⁷
x⁶
20s
What is the value of 7⁰?
7
0
70
1
20s
Simplify (y²)⁵:
y¹⁰
y⁷
5y²
y²⁵
20s
What is the value of 3⁻²?
−6
−9
1/9
1/6
20s
Simplify 3a² × 4a⁵:
12a¹⁰
7a¹⁰
12a⁷
7a⁷
30s
What is the value of 25 raised to the power ½?
1/25
5
12.5
625
30s
Simplify 12x⁸ ÷ 4x²:
48x¹⁰
8x⁶
3x⁶
3x⁴
30s
Simplify (2x³)⁴:
2x¹²
16x¹²
8x¹²
16x⁷
30s
What is the value of 8 raised to the power −2/3?
1/4
−4
4
−1/4
60s