Question 40
EasyOriginal questionSimplify .
Show the answer and explanation
CorrectNot quiteAnswer A
Correct answer: A
Explanation
Same base: add the powers when multiplying and subtract when dividing.
.
Worth noting
Forgetting the division leaves ; multiplying the powers 5 and 3 gives .
- Concept
- Product and quotient laws of indices
- Typical timeTypical
- 30 s
- Your timeYours
- —
Practise this chapter →
Ten questions from Simplification & Approximation, at your own pace.