22:00
1 of 5
Higher
Non-calculator
N7 Indices and roots
Question 1 · 6 marks
Spec and skills
Paper scope: Paper 1: non-calculator practice
Spec N7
Spec A4
Original practice question
Answer and supported method checks
Do not use a calculator. Each part uses powers of 2.
(a)
Find k when
8
2
3
=
2
k
8^{\frac{2}{3}} = 2^k
8
3
2
=
2
k
.
2 marks