Exam-style question
Try this first
Which of the following is a correct representation of 0.00045 in standard form?.
- A.4.5 x 10^-4
- B.4.5 x 10^-3
- C.45 x 10^-5
- D.45 x 10^-4
Model answer
What a good answer should say
- 4.5 x 10^-4
Explanation
Why this works
In standard form, 0.00045 is represented as 4.5 x 10^-4, where the decimal is moved four places to the right.
Common mistake
No common mistake is linked to this question yet.