Question 17
MediumOriginal questionEvaluate .
Show the answer and explanation
CorrectNot quiteAnswer C
Correct answer: C
Explanation
First bracket: , , .
Second bracket: , .
Product: .
Worth noting
Reading as is the slip behind 1. The operation between the two brackets is multiplication, so adding them (13) is wrong too.
- Concept
- Powers come before subtraction inside a bracket
- Typical timeTypical
- 60 s
- Your timeYours
- —
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