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