Number 2
1 mark · NormalWrite 0.00047 in standard form.
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4.7 × 10^{-4}
Also accept: 4.70 × 10^{-4}
Common mistakes: 0.47 × 10^{-3}
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Marking points
A1 · 1 mark · Writes 0.00047 correctly as 4.7 × 10^{-4}
Worked solution
Move the decimal so you have a number between 1 and 10: 0.00047 = 4.7 × 10^{-4}.