Question 4

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Jambmaths question: 

Express the product of 0.00043 and 2000 in standard form

Option A: 

8.3 x 10–2

Option B: 

8.6 x  10–1

Option C: 

8.6 x 10

Option D: 

8.6 x 10–3

Jamb Maths Solution: 

$0.00043\times 2000=0.86=8.6\times {{10}^{-1}}$

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