Chapter 6: Indices & Surds Test A

Expanded form: x⁴

• 4x
• x + x + x + x

Answer explanation

2n x 2n x 2n

Everything inside the bracket three times

Expand: 6a²b³

• I don't know

Evaluate: 2⁵

Answer explanation

32 = 2x2x2x2x2

Evaluate: (-4)³

Answer explanation

-64 = -4 x -4 x -4

Answer explanation

Express the following as a product of prime factors in index form: 72

Answer explanation

Or you could have drawn a prime factor tree! But I still need to see the final index answer

Express each of the following as a product of prime factors in index form: 180

Answer explanation