Question 44
EasyOriginal questionEvaluate .
Show the answer and explanation
CorrectNot quiteAnswer A
Correct answer: A
Explanation
Any non-zero number to the power 0 is 1, so .
A negative power is a reciprocal: .
.
Worth noting
Reading as 4 gives ; reading as 5 gives 42.
- Concept
- Zero and negative indices
- Typical timeTypical
- 35 s
- Your timeYours
- —
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