Exam-style question
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How would you present a calculated value of 0.00032 in appropriate SI units and powers of ten?.
- A.3.2 x 10^-4
- B.32 x 10^-5
- C.0.32 x 10^-3
- D.3.2 x 10^4
Model answer
What a good answer should say
- 3.2 x 10^-4
Explanation
Why this works
The value 0.00032 can be expressed in standard form as 3.2 x 10^-4, which is the appropriate way to present it with powers of ten.
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