Algebra 2
2 marks · EasySimplify the following expression. Give your answer as a single power of :
(a)[2 marks]
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
y^9
Also accept: y^{9}
Common mistakes: y^{20} (multiplying powers)
Show mark scheme and worked solution
Marking points
M1 (a) · 1 mark · Applies the rule .
A1 (a) · 1 mark · Gives the correct answer as a single power.
Worked solution
Using the laws of indices, add the powers since the base is the same: